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.
Patent No.:
Date of Patent:
Jan. 11, 1977
Filed:
Jun. 06, 1975
Applicant:
Inventors:
Tjepke Hendrik Ekkelboom, Eindhoven, NL;
Antonius Johannes VAN Stratum, Eindhoven, NL;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ;
U.S. Cl.
CPC ...
3133 / ; 29 2517 ; 313218 ; 313350 ; 313352 ; 252500 ; 252516 ;
Abstract
Electrodes for a discharge lamp having a semispherical fused body to produce a very stable arc. The electrodes can be manufactured inter alia by compressing a mixture of tungsten powder, metal carbide powder and a binder to a moulding, sintering the moulding, and fusing it then at least partly in a discharge arc, the sintered moulding serving as one of the electrodes.
Quick Actions:
Ekkelboom, Tjepke. (1977). Electrode for a discharge lamp (U.S. Patent No. 4002940). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4002940
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile