IP Library Granted Patent US 4,732,294
Granted Patent Utility
US 4,732,294 · App. 07/024,946

Safety latch means for filter assembly

Inventors: James R. Bohler, Jerry E. Stephenson, Thomas E. Drawbaugh
Patented Case View Patent ↗
Granted: Mar 22, 1988 Filed: Mar 12, 1987
Inventors
James R. Bohler
Jerry E. Stephenson
Thomas E. Drawbaugh
Assignee (at issue)
Parker-Hannifin 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 4,732,294
App. No.
07/024,946
Filed
1987-03-12
Granted
1988-03-22
Kind
A