Granted Patent
Utility
US 4,265,017 · App. 06/073,266
Pocket knife with retractable blade
Inventor:
Walter W. Collins
Patented Case
View Patent ↗
Granted: May 5, 1981
Filed: Sep 7, 1979
Inventor
Walter W. Collins
Assignee (at issue)
Jenkins Metal Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.