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:
Jun. 28, 1983
Filed:
May. 13, 1981
Applicant:
Inventors:
Raymond G Budden, Havant, GB;
Fraser Scott, Guildford, GB;
Assignee:
Ring Sights Limited, Surrey, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
356251 ; 33233 ;
Abstract
A collimator gun sight is formed of a solid block of glass with plane parallel opposite end faces. A partially reflecting concave surface in the block forms an image at infinity of a graticule pattern which is illuminated by light entering the block through a window. The block is made from a rod with plane end faces and a lens doublet element cemented to one face.
Budden, Raymond. (1983). Collimator gunsight (U.S. Patent No. 4390276). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4390276
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile