Granted Patent
Utility
US 4,381,640 · App. 06/207,493
Process for the production of reinforced rubber articles
Inventors:
Kalidas Chakravarti, Stanley D. Lazarus
Patented Case
View Patent ↗
Granted: May 3, 1983
Filed: Nov 17, 1980
Inventors
Kalidas Chakravarti
Stanley D. Lazarus
Assignee (at issue)
ALLIED CONSULTING, INC.
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.