Granted Patent
Utility
US 5,440,086 · App. 08/222,540
Unbalance switch mechanism
Inventor:
Keith E. Kropf
Patented Case
View Patent ↗
Granted: Aug 8, 1995
Filed: Apr 4, 1994
Inventor
Keith E. Kropf
Assignee (at issue)
Maytag 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.