IP Library Granted Patent US 4,806,899
Granted Patent Utility
US 4,806,899 · App. 07/039,299

Thermal circuit breaker

Inventor: Donald K. Merchant
Patented Case View Patent ↗
Granted: Feb 21, 1989 Filed: Apr 20, 1987
Inventor
Donald K. Merchant
Assignee (at issue)
Airpax 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.

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 4,806,899
App. No.
07/039,299
Filed
1987-04-20
Granted
1989-02-21
Kind
A