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. 20, 1982
Filed:
Nov. 13, 1979
Applicant:
Inventor:
Floyd L Berg, Lake Elsinore, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ;
U.S. Cl.
CPC ...
354215 ; 354289 ;
Abstract
A camera having a recess for receiving a roll of film and a take-up mechanism for advancing the film, the film having registration holes along the edges thereof, is provided with a sprocketed wheel for engagement with the registration holes, the wheel advancing when the film is advanced by the take-up mechanism. The wheel is coupled to a mechanical flag, in one embodiment, and to an electronic indicator, in another embodiment, to warn the operator of the camera when the film is not advancing properly.