Granted Patent
Utility
US 4,630,663 · App. 06/675,164
Tire construction utilizing low-twist body ply yarn with low turn-up ends
Inventors:
Thomas W. Bell, Louis W. Shurman
Patented Case
View Patent ↗
Granted: Dec 23, 1986
Filed: Nov 27, 1984
Inventors
Thomas W. Bell
Louis W. Shurman
Assignee (at issue)
The Firestone Tire & Rubber 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.