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:
Jun. 14, 1977
Filed:
Oct. 31, 1975
Applicant:
Inventor:
Robert Allan Erb, Valley Forge, PA (US);
Assignee:
The Franklin Institute, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01K / ; G01K / ; C09K / ;
U.S. Cl.
CPC ...
73356 ; 73358 ; 1161145 ; 252408 ;
Abstract
A device for recording a drop in temperature below a pre-selected temperature minimum. The device provides a permanent record of the drop in temperature. The device is reuseable.