IP Library Granted Patent US 4,604,674
Granted Patent Utility
US 4,604,674 · App. 06/712,315

Reclosing relay apparatus

Inventor: Richard G. Hamel
Patented Case View Patent ↗
Granted: Aug 5, 1986 Filed: Mar 13, 1985
Inventor
Richard G. Hamel
Assignee (at issue)
Westinghouse Electric Company LLC

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 4,604,674
App. No.
06/712,315
Filed
1985-03-13
Granted
1986-08-05
Kind
A