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. 23, 1990
Filed:
Oct. 02, 1986
Applicant:
Inventors:
Michael H Collins, Chester, GB;
Edward T Provost, Chester, GB;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F / ; F24J / ;
U.S. Cl.
CPC ...
126204 ; 126263 ;
Abstract
A heat pack for supplying thermal energy to the wearer on immersion in cold water comprises a capsule in which water can be admitted. The capsule contains a heat generating agent arranged in a tablet having such a shape that a reactive surface is created which allows the agent to react exothermally with the water at a controlled reaction rate.
Quick Actions:
Collins, Michael. (1990). Heat pack for survival in cold water (U.S. Patent No. 4895133). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4895133
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile