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:
Mar. 19, 1991
Filed:
Sep. 28, 1987
Applicant:
Inventor:
Johannes M van der Heijden, Eindhoven, NL;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
313318 ; 313 25 ; 313 33 ; 313 43 ; 445 38 ;
Abstract
The electric lamp has a lamp vessel (1) which is fixed by means of cement (6) in a lamp cap (3) of synthetic material. A metal ring (7) in contact with the cement (6) is present in the lamp cap (3), as a result of which the cement (6) can be secured by inductive heating of the metal ring (7). The lamp cap (3) has ribs (10,11) on the inside surface of the lamp cap (3), by which the metal ring (7) is radially and axially separated from the lamp cap (3).
Quick Actions:
van der Heijden, Johannes. (1991). Electric lamp and lamp cap (U.S. Patent No. 5001387). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5001387
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile