Granted Patent
Utility
US 4,280,347 · App. 06/101,154
Torque override threaded locking cap
Inventor:
John H. Evans
Patented Case
View Patent ↗
Granted: Jul 28, 1981
Filed: Dec 7, 1979
Inventor
John H. Evans
Assignee (at issue)
Stant 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.