IP Library › Granted Patent US 4,458,742
Granted Patent Utility
US 4,458,742 · App. 05/600,841

Method for thermal relay welding

Inventor: William J. Eberle
Patented Case View Patent ↗
Granted: Jul 10, 1984 Filed: Jul 31, 1975
Inventor
William J. Eberle
Assignee (at issue)
General Battery 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 4,458,742
App. No.
05/600,841
Filed
1975-07-31
Granted
1984-07-10
Kind
A