IP Library Granted Patent US 4,253,932
Granted Patent Utility
US 4,253,932 · App. 06/039,991

Unitary frame and membrane for electrolytic cells

Inventors: Luciano Mose, Helmut Schurig, Bernd Strasser
Patented Case View Patent ↗
Granted: Mar 3, 1981 Filed: May 17, 1979
Inventors
Luciano Mose
Helmut Schurig
Bernd Strasser
Assignee (at issue)
Hooker Chemicals & Plastics 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 4,253,932
App. No.
06/039,991
Filed
1979-05-17
Granted
1981-03-03
Kind
A