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:
Nov. 11, 1980
Filed:
Apr. 16, 1979
Applicant:
Inventors:
Ellen K Dominick, Trumansbury, NY (US);
George W Scherer, Painted Post, NY (US);
Assignee:
Corning Glass Works, Corning, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C23C / ;
U.S. Cl.
CPC ...
65144 ; 118730 ;
Abstract
In making a preform for an optical waveguide, the bait rod is coated with carbon. After the preform is built up on the bait rod, it is easily removed. The carbon coating produces a smooth improved inner surface in the preform, thereby eliminating flaws which otherwise may be present when the preform is drawn into a waveguide.
Dominick, Ellen. (1980). Carbon coating for a starting member used in producing optical waveguides (U.S. Patent No. 4233052). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4233052
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile