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. 15, 2011
Filed:
Jan. 04, 2008
Applicants:
Charles E. Hunt, Davis, CA (US);
Bernard K. Vancil, Beaverton, OR (US);
Richard N. Herring, Longmont, CO (US);
Richard Gale Sellers, Seattle, WA (US);
Inventors:
Charles E. Hunt, Davis, CA (US);
Bernard K. Vancil, Beaverton, OR (US);
Richard N. Herring, Longmont, CO (US);
Richard Gale Sellers, Seattle, WA (US);
Assignee:
Vu1 Corporation, Seattle, WA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 31/48 (2006.01);
U.S. Cl.
CPC ...
Abstract
A light emitting device has a cathode-ray tube and power supply. The cathode-ray tube in an embodiment is optimized for emitting a broad electron beam, in one variation a dome-shaped diffusing grid is used to spread the beam. In another embodiment, the device has a base adapted for attachment to a standard lighting fixture.