Patents by Inventor James Philip Lawrence

James Philip Lawrence 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).

  • Pneumatic tire
    Patent number: 3951192
    Abstract: This disclosure relates to a pneumatic tire construction which has a bead latch located axially outwardly of the rim flange in the lower sidewall area of the tire. This construction provides a safer configuration for the tire when it is run flat or under abnormal conditions. The bead latch prevents the bead from becoming unseated on the rim and moving into the drop center portion of the rim.
    Type: Grant
    Filed: January 30, 1975
    Date of Patent: April 20, 1976
    Assignee: The Firestone Tire & Rubber Company
    Inventors: James Dennis Gardner, James Philip Lawrence, Stephen Thomas Griebling
  • Tire lubricating device
    Patent number: 3942573
    Abstract: This disclosure relates to a fluid reservior and dispensing means and pneumatic tire-rim combination containing the reservoir and dispensing means. The reservoir is a hollow annular structure adapted to be located in the drop center area of the rim. The dispensing means is a breakable valve attached to the reservoir which is so situated in the tire cavity that it will be fractured by the tire when the tire is run uninflated thereby releasing the fluid into the tire cavity.
    Type: Grant
    Filed: January 30, 1975
    Date of Patent: March 9, 1976
    Assignee: The Firestone Tire & Rubber Company
    Inventors: James Philip Lawrence, James Dennis Gardner