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. 07, 1983
Filed:
May. 07, 1981
Applicant:
Inventor:
Earl W Gosswiller, Clarendon Hills, IL (US);
Assignee:
Federal Signal Corporation, Oak Brook, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60Q / ; H02P / ;
U.S. Cl.
CPC ...
340 / ; 340 50 ; 340 84 ; 340 87 ; 362 35 ; 362170 ; 318359 ; 350 99 ;
Abstract
A rotating signal light for use on police cars, ambulances and other vehicles on which a warning light is required, the light being driven at a non-uniform speed of rotation for the purpose of enhancing light intensity in certain predetermined directions and reducing light intensity in other directions.