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:
Mar. 28, 1989
Filed:
Feb. 03, 1987
Applicant:
Inventors:
Herbert A Fouke, Newark, OH (US);
John R Brass, San Anselmo, CA (US);
Assignee:
Manville Corporation, Denver, CO (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F21V / ; F21V / ;
U.S. Cl.
CPC ...
362309 ; 362337 ; 362300 ; 362260 ; 362327 ;
Abstract
A high efficiency luminaire possessing high angle brightness control. Transverse high angle brightness control is provided by a substantially parabolically shaped reflector and longitudinal high angle brightness control is provided by a trough like lens assembly including a plurality of trough shaped lenses and screening means adjoining one another.
Fouke, Herbert. (1989). High efficiency luminaire with high angle brightness control (U.S. Patent No. 4816976). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4816976
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile