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:
Oct. 16, 1979
Filed:
Feb. 21, 1978
Applicant:
Inventor:
Johannes M VAN Lieshout, Eindhoven, NL;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
313331 ; 174 5058 ; 313332 ; 313219 ;
Abstract
Electric lamps having a simple, strong and reliable current lead-through construction according to the invention have, on a tungsten lead-through conductor, a first glass layer on which and between the ends of which a second glass layer is provided. The wall of the lamp vessel is fused to the second layer. Glasses having at least 95% by weight of SiO.sub.2 are used for the layer and also for the wall of the lamp vessel.
Quick Actions:
VAN Lieshout, Johannes. (1979). Electric lamp (U.S. Patent No. 4171500). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4171500
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile