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. 23, 1999
Filed:
Sep. 26, 1997
Applicant:
Inventor:
William H Nelson, Grafton, MA (US);
Assignee:
GTE Laboratories Incorporated, Waltham, MA (US);
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
385 16 ; 385 31 ; 385 21 ; 385 45 ;
Abstract
An optical index switch including curved ridge waveguides. The cladding around the waveguides is selectively etched to produce tightly curved optical switches.
Nelson, William. (1999). Tightly curved digital optical switches (U.S. Patent No. 5991475). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5991475
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile