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:
May. 18, 1976
Filed:
Feb. 14, 1974
Applicant:
Inventors:
Rein Willense VAN DER Wolf, Eindhoven, NL;
Johannes Antonius Ridders, Eindhoven, NL;
Cornelis Wilhelmus Blommerde, Eindhoven, NL;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
316-3 ; 316 20 ; 316 24 ; 316 30 ;
Abstract
The invention relates to the manufacture of a discharge vessel with a mercury vapour filling. Mercury is introduced therein by providing mercury amalgam on a small part of the inner wall of an exhaust tube which is connected to the discharge vessel and by releasing the mercury from the amalgam by means of a heat treatment at a suitable moment.
VAN DER Wolf, Rein. (1976). Method of manufacturing a mercury vapour discharge lamp (U.S. Patent No. 3957328). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3957328
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile