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:
Feb. 01, 1977
Filed:
Apr. 02, 1973
Applicant:
Inventor:
Robert Parker, Danville, CA (US);
Assignee:
The Regents of the University of California, Berkeley, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
G01r / ;
U.S. Cl.
CPC ...
324106 ; 73356 ; 324 96 ; 3501 / ;
Abstract
An indicating device in the form of a thin metallic foil such as manganin on which a temperature indicating material such as Tempilaq is sprayed the foil being tapered to provide a temperature gradient whereby the passage of current through the tapered wedge causes a melt line to occur indicating the amount of current flow.