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, 1992
Filed:
Jul. 15, 1991
Applicant:
Inventors:
Stanislaw Loth, Nanuet, NY (US);
Volker W Bahnemann, Greenwich, CT (US);
Assignee:
Arriflex Corporation, Bauvelt, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V / ;
U.S. Cl.
CPC ...
362255 ; 362298 ; 362351 ;
Abstract
An adjustable photography light including a light bulb having a ceramic layer coated over 180.degree. of its surface, which ceramic has the same expansion coefficient as the light bulb, and which acts alternatively as a white reflector or as a mask as the bulb is rotated.