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:
Sep. 26, 1978
Filed:
Jun. 15, 1977
Applicant:
Inventors:
Richard F Anderl, Chippewa Falls, WI (US);
Lawrence J Tienor, Eau Claire, WI (US);
Assignee:
National Presto Industries, Inc., Eau Claire, WI (US);
Primary Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
29611 ; 29509 ; 29515 ;
Abstract
The underside of the bottom wall of an electric cooker contains a sheathed electric heater element intermittently staked and keyed to the sides and base of a receiving channel to control and confine growth and resist twisting movement of the element therein during heating.