Granted Patent
Utility
US 4,962,953 · App. 07/472,877
Animal gate latch mechanism
Inventor:
William D. Priefert
Patented Case
View Patent ↗
Granted: Oct 16, 1990
Filed: Jan 31, 1990
Inventor
William D. Priefert
Assignee (at issue)
Priefert Mfg. Co, Inc.
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.