IP Library › Granted Patent US 5,237,302
Granted Patent Utility
US 5,237,302 · App. 07/934,790

Fail safe switch

Inventor: Timothy S. Harris
Patented Case View Patent ↗
Granted: Aug 17, 1993 Filed: Aug 24, 1992
Inventor
Timothy S. Harris
Assignee (at issue)
Kransco

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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 5,237,302
App. No.
07/934,790
Filed
1992-08-24
Granted
1993-08-17
Kind
A