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:
Jan. 30, 1979
Filed:
Aug. 22, 1977
Applicant:
Inventor:
Claus Prochnow, Braunschweig, DE;
Assignee:
Rollei-Werke Franke & Heidecke, Braunschweig, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
355 71 ; 355 18 ;
Abstract
The invention relates to a photographic enlarger having an exchangeable film trap disposed in a projection head for receiving film, a magnifying lens disposed on one side of the film trap, and an insert member including a light deflection mirror and a condenser abutting the film trap; the insert member is disposed on the other side of the film trap.