IP Library Granted Patent US 4,359,094
Granted Patent Utility
US 4,359,094 · App. 06/214,726

Shear relief valve

Inventor: Ronald L. Risinger
Patented Case View Patent ↗
Granted: Nov 16, 1982 Filed: Dec 9, 1980
Inventor
Ronald L. Risinger
Assignee (at issue)
Otis Engineering 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 4,359,094
App. No.
06/214,726
Filed
1980-12-09
Granted
1982-11-16
Kind
A