Granted Patent
Utility
US 4,286,644 · App. 06/120,020
Replaceable tread tires
Inventor:
James W. Pond, Jr.
Patented Case
View Patent ↗
Granted: Sep 1, 1981
Filed: Feb 11, 1980
Inventor
James W. Pond, Jr.
Assignee (at issue)
B. F. Goodrich 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.