The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 23, 1990

Filed:

Aug. 24, 1989
Applicant:
Inventors:

Louis E Branovich, Howell, NJ (US);

Gerard L Freeman, Freehold, NJ (US);

Bernard Smith, Ocean, NJ (US);

Donald W Eckart, Wall, NJ (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B22F / ;
U.S. Cl.
CPC ...
419 27 ; 419 26 ; 419 29 ; 419 33 ; 419 39 ; 419 54 ; 419 55 ; 419 58 ;
Abstract

A cathode is made from a mixture of tungsten and iridium powders using a ction product formed from reacting barium peroxide with an excess of tungsten as the impregnant.


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