Patents by Inventor Nels E. Ursich

Nels E. Ursich has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Self-locking electrical receptacle having safety protector
    Patent number: 6926550
    Abstract: A locking electrical receptacle for receiving the spaced prongs of a male plug. The electrical receptacle has electrical contacts which engage a prong only when the prong is fully inserted in the receptacle. A locking ball is mounted for relative movement in an open slot of an moveable actuator. The open slot has a shallow section which biases the locking ball into the punched hole of the male prong.
    Type: Grant
    Filed: July 2, 2003
    Date of Patent: August 9, 2005
    Assignee: Ursich Electric Products, Inc.
    Inventor: Nels E. Ursich
  • Self-locking electrical receptacle having safety protector
    Publication number: 20040127086
    Abstract: A locking electrical receptacle for receiving the spaced prongs of a male plug. The electrical receptacle has electrical contacts which engage a prong only when the prong is fully inserted in the receptacle. A locking ball is mounted for relative movement in an open slot of an moveable actuator. The open slot has a shallow section which biases the locking ball into the punched hole of the male prong.
    Type: Application
    Filed: July 2, 2003
    Publication date: July 1, 2004
    Inventor: Nels E. Ursich
  • Self-locking electrical receptacle having safety protector
    Publication number: 20020048987
    Abstract: A locking electrical receptacle for receiving the spaced prongs of a male plug. The electrical receptacle has electrical contacts which engage a prong only when the prong is fully inserted in the receptacle. A locking ball is mounted for relative movement in an open slot of an moveable actuator. The open slot has a shallow section which biases the locking ball into the punched hole of the male prong.
    Type: Application
    Filed: April 26, 2001
    Publication date: April 25, 2002
    Inventor: Nels E. Ursich
  • Waterproof locking female electrical socket
    Patent number: 5921798
    Abstract: A self-locking female electrical receptor having a pair of prong receiving holes mounted on an end. A protector extension is molded on the end of the receptor and includes holes aligned with the prong receiving holes to cover the prongs. A plate is attached to the protector extension.
    Type: Grant
    Filed: June 25, 1997
    Date of Patent: July 13, 1999
    Inventor: Nels E. Ursich
  • Self-locking female receptor for electrical cord
    Patent number: 5413498
    Abstract: A female receptor for locking a male plug and having an actuator element accessible from an exterior position. The actuator element comprises an elongated shaft having an area of reduced width to permit disengaging movement of internal balls mounted in the receptor body. The ball and balls retain the prongs of the male plug in place when the area of reduced width of the rod is not aligned with the ball and balls.
    Type: Grant
    Filed: January 3, 1994
    Date of Patent: May 9, 1995
    Inventor: Nels E. Ursich
  • Self-locking female electrical socket having automatic release mechanism
    Patent number: 5393239
    Abstract: A self-locking female electrical socket having an automatic release mechanism. The female socket includes releasable balls that urged into locking engagement with the prongs of a male plug. The plug may be released for reasons of maintaining cord in tact through deflection of a deflectable element positioned adjacent the prong.
    Type: Grant
    Filed: December 27, 1993
    Date of Patent: February 28, 1995
    Assignee: Nels E. Ursich
    Inventor: Nels E. Ursich
  • Self-locking female receptor for electrical cord
    Patent number: 5281162
    Abstract: A female receptor for locking a male plug and having a actuator element accessible from an exterior position. The actuator element comprises an elongated shaft having an area of reduced width to permit disengaging movement of internal balls mounted in the receptor body. The balls retain the prongs of the male plug in place when the area of reduced width of the rod is not aligned with the balls.
    Type: Grant
    Filed: July 10, 1992
    Date of Patent: January 25, 1994
    Inventor: Nels E. Ursich
  • Self-locking female receptor for electrical cord
    Patent number: 5129836
    Abstract: A female receptor for locking a male plug and having an actuator element accessible from an exterior position. The actuator element comprises an elongated shaft having an area of reduced width to permit disengaging movement of internal balls mounted in the receptor body. The balls retain the prongs of the male plug in place when the area of reduced width of the rod is not aligned with the balls.
    Type: Grant
    Filed: June 24, 1991
    Date of Patent: July 14, 1992
    Inventor: Nels E. Ursich