Patent
   D253746
Priority
Mar 07 1977
Filed
Apr 10 1978
Issued
Dec 25 1979
Expiry
Dec 25 1993
Assg.orig
Entity
unknown
4
5
n/a
The ornamental design for a pressure cooker regulator, substantially as shown and described.

FIG. 1 is a top plan view of a pressure cooker regulator embodying our new design;

FIG. 2 is a side elevational view thereof and

FIG. 3 is a bottom plan view thereof.

Boldt, Melvin H., Stevens, James P., Morrison, Thurber H.

Patent Priority Assignee Title
8276507, Nov 11 2008 NATIONAL PRESTO INDUSTRIES, INC Two-piece handle design for pressure cooker
9138106, Nov 11 2008 National Presto Industries, Inc. Two-piece handle design for pressure cooker
D832045, Oct 09 2015 FIRE BUTLER, LLC Solid fuel cooking device with lid
D966780, Mar 09 2018 NATIONAL PRESTO INDUSTRIES, INC Pressure cooker
Patent Priority Assignee Title
2200903,
143693,
148833,
162743,
199923,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 10 1978National Presto Industries, Inc.(assignment on the face of the patent)
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