Granted Patent
Utility
US 4,373,852 · App. 06/280,654
Quick coupling and release mechanism for buckets
Inventor:
Herman J. Maurer
Patented Case
View Patent ↗
Granted: Feb 15, 1983
Filed: Jul 6, 1981
Inventor
Herman J. Maurer
Assignee (at issue)
J. I. Case Company
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.