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. 03, 1990
Filed:
Jun. 15, 1989
Applicant:
Inventor:
Sean Doyle, East Bridgewater, MA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G04C / ;
U.S. Cl.
CPC ...
368241 ; 368134 ; 368179 ; 368165 ;
Abstract
A visual device for simulating the motion of a clock pendulum consisting of a series of light emitting diodes having the property of emitting two distinct colors and electronic logic arranged to activate sequentially the series in one color in one direction and in the other color in the opposite direction.