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. 24, 1981
Filed:
Oct. 18, 1979
Applicant:
Inventor:
David M Stravitz, New York, NY (US);
Assignee:
Ambico Inc., Lynbrook, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350318 ;
Abstract
A filter holder having a plurality of slots therein for receiving filters, photographic effect sheets, or the like, and an adapter which is removably retained in one of said slots for threadably engaging a threaded front portion of a photographic lens. A lens cover element is provided which snapingly engages in the filter holder, and a rotatable filter is engaged in the filter holder and retained by the adapter, the filter being rotatable even in its engaged condition. A lens shade is provided which snapingly and removably engages the filter holder.