Granted Patent
Utility
US 4,376,345 · App. 06/330,658
Flexible seal for a pivot joint in a snow thrower chute
Inventor:
Lynn E. Hochwitz
Patented Case
View Patent ↗
Granted: Mar 15, 1983
Filed: Dec 14, 1981
Inventor
Lynn E. Hochwitz
Assignee (at issue)
Allis-Chalmers 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.