Search Patents
  • Method of manufacturing a cartridge magazine follower
    Patent number: 5287720
    Abstract: A cartridge magazine for use with a firearm includes a housing, a spring, and a follower. The follower is comprised of sheet metal that is cut and stamped to form a top section and two side sections. The top has a cartridge trough on its top side and a spring trough on its bottom side. The side sections and top section establish a spring receiving cavity.
    Type: Grant
    Filed: May 19, 1993
    Date of Patent: February 22, 1994
    Assignee: Colt's Manufacturing Company, Inc.
    Inventor: Bryant L. Lishness
  • Sear positioning spring for a firearm
    Patent number: 5086578
    Abstract: A spring for positioning a sear of a firearm and a method of manufacturing a firearm. The spring has a first section that is connected to the frame of the firearm, a second section that exerts a biasing force against the sear in a first direction, and a third section adapted to move in a direction relatively perpendicular to the direction of the second section. The second and third sections are preferably leaf springs and are adapted to position the sear in two positions depended upon movement of the trigger.
    Type: Grant
    Filed: December 14, 1990
    Date of Patent: February 11, 1992
    Assignee: Colt's Manufacturing Company, Inc.
    Inventors: Bryant L. Lishness, Paul A. Scirica
  • Firing pin spring assembly
    Patent number: 5105570
    Abstract: A spring assembly for use in a firing pin assembly of a firearm and a method of manufacturing the spring assembly. The spring assembly has two spring guides with longitudinal slots. One of the guides has a side aperture such that the two guides can be connected to each other with portions of the guides located in the other guide's slot. A spring is located between portions of the two guides. The guides can move relative to each other with a limited range of motion in a substantially linear path and the spring can bias the guides back to an extended position.
    Type: Grant
    Filed: December 14, 1990
    Date of Patent: April 21, 1992
    Assignee: Colt's Manufacturing Company Inc.
    Inventors: Bryant L. Lishness, Paul A. Scirica
  • Firearm barrel inner diameter testing assembly
    Patent number: 5176024
    Abstract: An assembly for testing the inner diameter of a rifled barrel of a firearm and a method of manufacturing the same. The assembly has a frame with side air discharge apertures and is intended to be connected to an air gauge. The assembly has a timing sleeve that is removably mounted to the frame such that the sleeve can be replaced when it becomes worn or when the assembly is intended to be used with a barrel having a different type of rifling. The assembly also comprises a wear ring such that the wear ring and timing sleeve absorb abrasive contact in the barrel to reduce abrasive contact by the barrel on the frame.
    Type: Grant
    Filed: July 24, 1990
    Date of Patent: January 5, 1993
    Assignee: Colt's Manufacturing Company Inc.
    Inventor: Robert M. Gancarz
  • Semi-automatic firearm having a safety device preventing conversion to full automatic firing
    Patent number: 5183959
    Abstract: An anti-conversion block for use with a semi-automatic firearm and a method of manufacturing a semi-automatic firearm. The anti-conversion block prevents the conversion of the firearm into a fully automatic firearm. The block is fixedly mounted in the lower receiver of the firearm with pins press fit through the lower receiver into blind holes in the block. The block has a first section for preventing operational installation of a trigger other than a predetermined type of trigger into the firearm, a second section for preventing operational installation of a hammer other than a predetermined type of hammer into the firearm, and a third section for preventing operational installation of a bolt assembly other than a predetermined type of bolt assembly into the firearm.
    Type: Grant
    Filed: August 1, 1990
    Date of Patent: February 2, 1993
    Assignee: Colt's Manufacturing Company Inc.
    Inventors: Horace C. McCoan, James V. Collier
  • Firearm barrel assembly with removable sight
    Patent number: 5443543
    Abstract: A pistol with a barrel assembly having a barrel, a barrel rib, and a front sight. The barrel rib is removably connected to the barrel. The front sight is stationarily connected to the barrel by entrapment of a portion of the sight by the rib against the barrel. The entrapment by the rib is the sole connection of the sight to the barrel and barrel rib.
    Type: Grant
    Filed: September 21, 1994
    Date of Patent: August 22, 1995
    Assignee: Colt's Manufacturing Company Inc.
    Inventors: Dennis O. Epes, Scott A. Ladd
  • Follower for a cartridge magazine
    Patent number: 5263273
    Abstract: A cartridge magazine for use with a firearm includes a housing, a spring, and a follower. The follower is comprised of sheet metal that is cut and stamped to form a top section and two side sections. The top has a cartridge trough on its top side and a spring trough on its bottom side. The side sections and top section establish a spring receiving cavity.
    Type: Grant
    Filed: October 25, 1991
    Date of Patent: November 23, 1993
    Assignee: Colt's Manufacturing Company Inc.
    Inventor: Bryant L. Lishness
  • Firearm cartridge with pre-pressurizing charge
    Patent number: 5421264
    Abstract: A firearm cartridge with a pre-pressurizing charge and a main propellant charge. The pre-pressurizing charge is located adjacent the rear end of the projectile. The pre-pressurizing charge can burn and exert pressure on the main propellant charge without igniting the main propellant charge.
    Type: Grant
    Filed: December 2, 1993
    Date of Patent: June 6, 1995
    Assignee: Colt's Manufacturing Company Inc.
    Inventor: John T. Petrick
  • Gas operated firearm with clamp on gas block
    Patent number: 5945626
    Abstract: A firearm comprising a receiver, a barrel and a gas block. The barrel is connected to a front end of the receiver. The gas block is clamped onto the barrel. A gas tube extends between the receiver and the gas block, and the gas block includes a keyway which engages a key piece on the barrel.
    Type: Grant
    Filed: September 9, 1997
    Date of Patent: August 31, 1999
    Assignee: Colt's Manufacturing Company Inc.
    Inventor: Laurance E. Robbins
  • Firing mechanism blocking system
    Patent number: 5259138
    Abstract: A safety mechanism for a firearm to prevent the firearm from firing except when the trigger has been moved to a predetermined position. The mechanism includes a plunger and a blocker. The blocker is movably mounted to the slide at a position in front of a striker to prevent the striker from moving forward to strike a cartridge. The plunger is movably mounted to a portion of the frame and is adapted to be moved by the trigger. The plunger, in turn, is adapted to move the blocker to allow a clear path for the striker to move forward to strike a cartridge.
    Type: Grant
    Filed: August 3, 1992
    Date of Patent: November 9, 1993
    Assignee: Colt's Manufacturing Company Inc.
    Inventor: Paul A. Scirica
  • Firearm with safety system having a communication package
    Patent number: 6237271
    Abstract: A module having a housing, a battery, control circuitry and electrical conductors. The battery and control circuitry are contained in the housing. The housing is adapted to be removably connected to the frame of a firearm. The electrical conductors are located on the housing and allow the battery and control circuit to be electrically connected to other components of the firearm. The housing can be connected at a hand grip section of the firearm and forms a substantial portion of at least one exterior side of the firearm at the hand grip section.
    Type: Grant
    Filed: September 14, 1998
    Date of Patent: May 29, 2001
    Assignee: Colt's Manufacturing Company, Inc.
    Inventor: Kevin A. Kaminski
  • Firearm with safety system having a communications package
    Patent number: 6363647
    Abstract: A module having a housing, a battery, control circuitry and electrical conductors. The battery and control circuitry are contained in the housing. The housing is adapted to be removably connected to the frame of a firearm. The electrical conductors are located on the housing and allow the battery and control circuit to be electrically connected to other components of the firearm. The housing can be connected at a hand grip section of the firearm and forms a substantial portion of at least one exterior side of the firearm at the hand grip section.
    Type: Grant
    Filed: April 6, 2001
    Date of Patent: April 2, 2002
    Assignee: Colt's Manufacturing Company, Inc.
    Inventor: Kevin A. Kaminski
  • Firearm battery and control module
    Patent number: 5704153
    Abstract: A module having a housing, a battery, control circuitry and electrical conductors. The battery and control circuitry are contained in the housing. The housing is adapted to be removably connected to the frame of a firearm. The electrical conductors are located on the housing and allow the battery and control circuit to be electrically connected to other components of the firearm. The housing can be connected at a hand grip section of the firearm and forms a substantial portion of at least one exterior side of the firearm at the hand grip section.
    Type: Grant
    Filed: July 23, 1996
    Date of Patent: January 6, 1998
    Assignee: Colt's Manufacturing Company, Inc.
    Inventors: Kevin A. Kaminski, Douglas G. Overbury
  • Combined cartridge magazine and power supply for a firearm
    Patent number: 5272828
    Abstract: A firearm cartridge magazine comprising a housing and a battery. The magazine is adapted to be removably connected to a firearm to house and dispense firearm cartridges. The battery can supply power to the firearm such as for a battery operated firing system. In a preferred embodiment, the battery is the sole power source for the firearm such that the firearm can only fire when the magazine is properly connected to the firearm.
    Type: Grant
    Filed: August 3, 1992
    Date of Patent: December 28, 1993
    Assignee: Colt's Manufacturing Company Inc.
    Inventors: John T. Petrick, Richard L. Costello, Evan H. Whildin, Sr.
  • Striker retaining system for a firearm
    Patent number: 5493806
    Abstract: A firearm with a frame, a slide, a striker, and a striker retaining system. The striker is connected to the frame inside the slide. The striker has a firing pin biased by a spring in a forward direction. The retaining system has a retainer pin and a spring. The retaining pin is mounted to the frame and is adapted to automatically engage the striker when the slide is removed from the frame. This prevents the striker from being inadvertently released as a projectile off of the frame when the slide is not mounted to the frame.
    Type: Grant
    Filed: September 21, 1994
    Date of Patent: February 27, 1996
    Assignee: Colt's Manufacturing Company Inc.
    Inventors: Kevin R. Langevin, Scott A. Ladd
  • Firearm battery and control module
    Patent number: 5867930
    Abstract: A module having a housing, a battery, control circuitry and electrical conductors. The battery and control circuitry are contained in the housing. The housing is adapted to be removably connected to the frame of a firearm. The electrical conductors are located on the housing and allow the battery and control circuit to be electrically connected to other components of the firearm. The housing can be connected at a hand grip section of the firearm and forms a substantial portion of at least one exterior side of the firearm at the hand grip section.
    Type: Grant
    Filed: September 22, 1997
    Date of Patent: February 9, 1999
    Assignee: Colt's Manufacturing Company, Inc.
    Inventors: Kevin A. Kaminski, Douglas G. Overbury
  • Firearm battery and control module
    Patent number: 5896691
    Abstract: A module having a housing, a battery, control circuitry and electrical conductors. The battery and control circuitry are contained in the housing. The housing is adapted to be removably connected to the frame of a firearm. The electrical conductors are located on the housing and allow the battery and control circuit to be electrically connected to other components of the firearm. The housing can be connected at a hand grip section of the firearm and forms a substantial portion of at least one exterior side of the firearm at the hand grip section.
    Type: Grant
    Filed: July 20, 1998
    Date of Patent: April 27, 1999
    Assignee: Colt's Manufacturing Company, Inc.
    Inventors: Kevin A. Kaminski, Douglas G. Overbury
  • Combined handgrip and trigger guard for a firearm
    Patent number: D366514
    Type: Grant
    Filed: December 9, 1994
    Date of Patent: January 23, 1996
    Assignee: Colt's Manufacturing Company Inc.
    Inventors: Paul M. Hochstrate, Michael E. Gamache
  • Pistol
    Patent number: D387841
    Type: Grant
    Filed: November 1, 1996
    Date of Patent: December 16, 1997
    Assignee: Colt's Manufacturing Company, Inc.
    Inventors: Paul M. Hochstrate, Michael F. LaPlante
  • Pistol
    Patent number: D387842
    Type: Grant
    Filed: November 8, 1996
    Date of Patent: December 16, 1997
    Assignee: Colt's Manufacturing Company, Inc.
    Inventors: Kevin A. Kaminski, Douglas G. Overbury
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