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:
Jan. 22, 1980
Filed:
Aug. 14, 1978
Applicant:
Inventor:
Harold C Hubbard, Lansing, MI (US);
Assignee:
Motor Wheel Corporation, Lansing, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01L / ;
U.S. Cl.
CPC ...
73733 ;
Abstract
A hydraulic transducer of the Bourdon tube type, in which the amount of light transmitted by a light emitting diode to a photoresistor is controlled by a shutter. The device provides an enclosed and compact transducing unit which has particular application with tractor/trailer braking systems.