Patents by Inventor Francis M. L. Barthropp

Francis M. L. Barthropp 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).

  • Toy water gun
    Patent number: D243111
    Type: Grant
    Filed: June 9, 1975
    Date of Patent: January 18, 1977
    Assignee: Barton of Canada Ltd.
    Inventor: Francis M. L. Barthropp
  • Liquid container closure cap
    Patent number: D247351
    Type: Grant
    Filed: August 23, 1976
    Date of Patent: February 28, 1978
    Assignee: Barton of Canada Ltd.
    Inventor: Francis M. L. Barthropp
  • Toy water gun
    Patent number: D256261
    Type: Grant
    Filed: June 5, 1978
    Date of Patent: August 5, 1980
    Assignee: Barton of Canada Ltd.
    Inventor: Francis M. L. Barthropp
  • Toy water gun
    Patent number: D258166
    Type: Grant
    Filed: June 5, 1978
    Date of Patent: February 3, 1981
    Assignee: Barton of Canada Ltd.
    Inventor: Francis M. L. Barthropp
  • Toy water gun
    Patent number: D267574
    Type: Grant
    Filed: October 27, 1980
    Date of Patent: January 11, 1983
    Inventor: Francis M. L. Barthropp
  • Toy gun
    Patent number: D284208
    Type: Grant
    Filed: August 15, 1984
    Date of Patent: June 10, 1986
    Inventor: Francis M. L. Barthropp
  • Toy gun
    Patent number: D286558
    Type: Grant
    Filed: August 15, 1984
    Date of Patent: November 4, 1986
    Inventor: Francis M. L. Barthropp
  • Toy gun
    Patent number: D286559
    Type: Grant
    Filed: August 17, 1984
    Date of Patent: November 4, 1986
    Inventor: Francis M. L. Barthropp
  • Toy gun
    Patent number: D286660
    Type: Grant
    Filed: August 15, 1984
    Date of Patent: November 11, 1986
    Inventor: Francis M. L. Barthropp
  • Toy gun
    Patent number: D286661
    Type: Grant
    Filed: August 17, 1984
    Date of Patent: November 11, 1986
    Inventor: Francis M. L. Barthropp
  • Combined toy sub-machine pistol and detachable shoulder stock
    Patent number: D286900
    Type: Grant
    Filed: August 15, 1984
    Date of Patent: November 25, 1986
    Inventor: Francis M. L. Barthropp
  • Toy gun
    Patent number: D287257
    Type: Grant
    Filed: August 15, 1984
    Date of Patent: December 16, 1986
    Inventor: Francis M. L. Barthropp
  • Toy gun
    Patent number: D288104
    Type: Grant
    Filed: August 15, 1984
    Date of Patent: February 3, 1987
    Inventor: Francis M. L. Barthropp