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. 07, 1985
Filed:
Jun. 30, 1983
Applicant:
Inventors:
Rochelle Prescott, Arlington, MA (US);
Dennis C Leiner, Andover, MA (US);
Assignee:
Dyonics, Inc., Andover, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350413 ; 350 9631 ;
Abstract
An optical system comprising at least two gradient index lenses further includes spacer means of substantially homogenous substance affixed therebetween to provide increased light throughput by substantial maximization of the optical invariant of the system.
Quick Actions:
Prescott, Rochelle. (1985). Optical system (U.S. Patent No. 4515444). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4515444
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