Electric pressure cooker

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Description

FIG. 1 is an elevational view of an electric pressure cooker showing our new design;

FIG. 2 is an elevational view thereof as viewed from the left-hand side of FIG. 1;

FIG. 3 is an elevational view thereof as viewed from the right-hand side of FIG. 1;

FIG. 4 is a top plan view thereof; and

FIG. 5 is an elevational view thereof of the side opposite to that viewed in FIG. 1, a portion of its cover being fragmented to illustrate the disposition of the pressure regulator within a recessed area thereof.

Referenced Cited
U.S. Patent Documents
D141818 July 1945 Kendall
D176002 November 1955 Bolt
D182786 May 1958 Boldt
D202720 November 1965 Ostborg et al.
D232148 July 1974 Yarrington
2218188 October 1940 Wittenberg
2368795 February 1945 Wittenberg
2584759 February 1952 Swenson
Foreign Patent Documents
803850 April 1951 DEX
106768 December 1923 CHX
Other references
  • House & Garden, May, 1973, p. 155, West Bend adv., top left Elec. Dish. Euroma-S Schnellkocher Brochure, 2 sheets, pressure cooker shown.
Patent History
Patent number: D253388
Type: Grant
Filed: Mar 7, 1977
Date of Patent: Nov 13, 1979
Assignee: National Presto Industries, Inc. (Eau Claire, WI)
Inventors: Melvin H. Boldt (Glenview, IL), Thurber H. Morrison (Evanston, IL), James P. Stevens (Oak Park, IL)
Primary Examiner: Winifred E. Herrmann
Attorney: John A. Dienner
Application Number: 5/774,581
Classifications
Current U.S. Class: D 7/86
International Classification: D0702;