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:
Jul. 19, 1988
Filed:
Apr. 05, 1984
Applicant:
Inventor:
Jacob Moskovich, Cincinnati, OH (US);
Assignee:
Vivitar Corporation, Santa Monica, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350427 ;
Abstract
A zoom lens having a range of equivalent focal lengths (EFL) which extend from a dimension above the diagonal of the film plane of the lens to a telephoto focal length, where the lens comprises three groups of which two are movable to vary the EFL.