Granted Patent
Utility
US 4,360,982 · App. 06/239,634
Bucket with removable cutting plate
Inventors:
Herman J. Maurer, John F. Shumaker
Patented Case
View Patent ↗
Granted: Nov 30, 1982
Filed: Mar 2, 1981
Inventors
Herman J. Maurer
John F. Shumaker
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.