Granted Patent
Utility
US 3,954,538 · App. 05/478,541
Method of forming a tire carcass
Inventor:
Charles E. Grawey
Patented Case
View Patent ↗
Granted: May 4, 1976
Filed: Jun 12, 1974
Inventor
Charles E. Grawey
Assignee (at issue)
Caterpillar Tractor Co.
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.