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:
Sep. 19, 1978
Filed:
Nov. 10, 1976
Applicant:
Inventors:
Andrew M Wohlert, St. Charles, IL (US);
James Haruch, Clarendon Hills, IL (US);
Assignee:
Riverbank Laboratories, Inc., Geneva, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01K / ;
U.S. Cl.
CPC ...
43 176 ; 310 15 ; 310 25 ; 315130 ;
Abstract
One or more LEDs are connected across an induction coil wound on a tube slidably carrying an axially polarized permanent magnet, the tube being closed at both ends so that axial reciprocation of the tube causes the magnet to move back and forth through the coil and energize the LEDs.