Granted Patent
Utility
US 4,540,128 · App. 06/542,340
Lock for food pusher in feed tube protector of a food processor
Inventor:
John W. Breeden
Patented Case
View Patent ↗
Granted: Sep 10, 1985
Filed: Oct 24, 1983
Inventor
John W. Breeden
Assignee (at issue)
Cuisinarts, Inc.
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.