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. 22, 1980
Filed:
Sep. 22, 1977
Applicant:
Inventor:
Helmut Winnacker, Burgdorf, DE;
Assignee:
Preussag Aktiengellschaft, , DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
354 64 ;
Abstract
An underwater camera for deep sea use having a cylindrical pressure-tight housing including a thickened cylindrical bead arranged eccentrically of the housing to define an area on one side of the housing which is thicker than the opposite side of the housing, and a window in the thicker area for exposing the film in the camera.