Granted Patent
Utility
US 4,603,452 · App. 06/693,063
Detachable hinge with conveniently releasable hinge flaps
Inventor:
Peter M. Paciorek
Patented Case
View Patent ↗
Granted: Aug 5, 1986
Filed: Jan 22, 1985
Inventor
Peter M. Paciorek
Assignee (at issue)
General Dynamics 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.