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:
Jun. 19, 1990
Filed:
Nov. 15, 1988
Applicant:
Inventor:
Douglas Hart, Toronto, CA;
Assignee:
Landus Inc., Campbellville, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ; G21H / ;
U.S. Cl.
CPC ...
2504861 ; 2504621 ; 2504871 ; 2504931 ; 2505031 ; 313 54 ;
Abstract
A light assembly comprises a self-luminescent light source, a wave guide and output optics. The self-luminescent light source takes the form of a luminescent concentrator which is activated by beta radiation from tritium which is immobilized in a matrix in which a luminescent material is distributed.