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:
Jul. 29, 1980
Filed:
Dec. 26, 1978
Applicant:
Inventor:
Ivan L Brandt, Milwaukee, WI (US);
Assignee:
J. W. Speaker Corporation, Milwaukee, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V / ;
U.S. Cl.
CPC ...
362311 ; 362361 ; 362363 ;
Abstract
An improved warning light includes a flashing strobe light bulb and a plastic lens which has incorporated in the plastic material an effective amount of a fluorescent material such as a dye or pigment, which converts the radiation emitted by the strobe light to the preferred wave length of the fluorescent material. In a preferred embodiment, especially suited for use as a warning light on vehicles, the strobe light is surrounded by a cylindrical lens of polycarbonate or acrylic plastic which has the fluorescent dye incorporated therein and the bulb and the lens are protected from the elements by a transparent dome.