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:
Mar. 06, 1990
Filed:
May. 11, 1988
Applicant:
Inventors:
Assignee:
John O. Butler Company, Chicago, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V / ;
U.S. Cl.
CPC ...
362109 ; 362206 ; 362138 ;
Abstract
A pen light has a removable dental mirror positioned to be in the beam of the light. The flashlight has a barrel which is constricted on one end to capture and hold a pen light bulb dropped in the other end. The electrical circuit within the flashlight includes a strip spring with a bow or arched section which make contact with the base of a flashlight bulb of almost any type and with many different sizes, on a bulb drop-in basis. The electrical contacts are such that the batteries may be dropped either end first into the barrel of the flashlight. The off-on switch has a threaded screw so that the light is switched off and on by turning a screw.