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:
Apr. 03, 1979
Filed:
Jan. 25, 1978
Applicant:
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
355 88 ; 355102 ; 355113 ;
Abstract
A positioning device is disclosed, designed for use in the color separation plate making industry, whereby several sets of original films may be mounted on base sheets, each member of a set being mounted on a different base sheet in the same position relative to the members of the other sets. The invention employs a rotating frame which has several faces on which base sheets are mounted, and incorporates a positioning device adapted to locate original films accurately at corresponding positions on the different faces. Thus the invention achieves its desired result accurately, conveniently, and cheaply.