IP Library › Granted Patent US 3,979,157
Granted Patent Utility
US 3,979,157 · App. 05/513,599

Electron tube base

Inventor: Louis Joseph DiMattio
Patented Case View Patent ↗
Granted: Sep 7, 1976 Filed: Oct 10, 1974
Inventor
Louis Joseph DiMattio
Assignee (at issue)
RCA Corporation

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.

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Quick Facts
Patent No.
US 3,979,157
App. No.
05/513,599
Filed
1974-10-10
Granted
1976-09-07
Kind
A