Granted Patent
Utility
US 3,984,967 · App. 05/643,314
Mechanical safety interlock for preventing mower operation during reverse travel
Inventor:
Kenneth R. Jones
Patented Case
View Patent ↗
Granted: Oct 12, 1976
Filed: Dec 22, 1975
Inventor
Kenneth R. Jones
Assignee (at issue)
Allis-Chalmers 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.