U.S. patent number D246,686 [Application Number 05/673,427] was granted by the patent office on 1977-12-20 for deep fry cooker. This patent grant is currently assigned to National Presto Industries, Inc.. Invention is credited to Melvin H. Boldt.
United States Patent | D246,686 |
Boldt | December 20, 1977 |
Inventors: | Boldt; Melvin H. (Glenview, IL) |
---|---|
Assignee: | National Presto Industries,
Inc. (Eau Claire, WI) |
Appl. No.: | 05/673,427 |
Filed: | April 5, 1976 |
Current U.S. Class: | D7/354; D7/603 |
Current International Class: | D0702 |
Field of Search: | ;D7/85,86,94,95,96,97,78,17,18,90 ;220/69,70 ;16/11A,110.5,112 ;219/436,438,441,442 |
D170766 | November 1953 | Petertil |
D172552 | July 1954 | Perl et al. |
D205369 | July 1966 | Phillips |
2725460 | November 1955 | Braski et al. |
2856507 | October 1958 | Naxon |
2931884 | April 1960 | Jepson et al. |
3801331 | April 1974 | Sano et al. |
House Furnishings Review, Dec., 1937, p. 39, Portable electric cooker at left.. |
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