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. 23, 1990
Filed:
Dec. 27, 1988
Applicant:
Inventors:
Debra L Williams, Hillsboro, NH (US);
David S Holmes, Stoddard, NH (US);
Daniel D Devir, Sutton, NH (US);
Assignee:
GTE Products Corporation, Danvers, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ; H01K / ;
U.S. Cl.
CPC ...
313635 ; 313272 ; 445 12 ; 65138 ; 106 19 ; 1062864 ; 427106 ; 4271263 ; 428 344 ;
Abstract
A process of manufacture and an article produced by the process in the form of a lead glass substrate. The substrate is discretely marked during the manufacturing process by directing a flame upon it that is deficient in oxygen to provide a darkened or black marking in the glass surface. The invention is especially useful for marking electric lamps.
Williams, Debra. (1990). Process for marking a glass object and article (U.S. Patent No. 4896074). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4896074
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile