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US4406218A Expired / Lapsed US ⏱️ 0.0 years remaining

Cooking utensil

Assignee: JUSCO KK
•
Filing: 1982-04-08
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Granted: 1983-09-27
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Expires: 2002-04-08
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Abstract

Abstract A pan-type cooking utensil comprising a pan-shaped main body, a dome-shaped cover detachably fitted on the main body and having an exhaust cylinder integrally extending upwardly from the cover in the center thereof, a lid pivoted to the exhaust cylinder for opening and closing the exhaust cylinder, a rope extending through the exhaust cylinder and having one end secured to the cover and the other end connected to a lift mechanism. The main body is provided with hot air inlets.

Inventors

  • 👤 Koichi Hatakeyama

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 13:11
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/10; A47J36/00; A47J36/06; A47J36/064

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 113 words
A pan-type cooking utensil comprising a pan-shaped main body having hot air inlets, a dome-shaped cover detachably fitted on said main body covering said hot air inlets and having an exhaust member integrally and upwardly extending from said cover in the center of the cover, said exhaust member being open at the upper and lower ends, a lid pivotably secured to said exhaust member for opening and closing the exhaust member and having an elongated opening and a rope extending through said opening with the lower end secured to said exhaust member and the upper end connected to a lift mechanism for lowering and raising said cover onto and from said main body.
Claim 2
Dependent Claim 113 words
A pan-type cooking utensil comprising a pan-shaped main body having hot air inlets, a dome-shaped cover detachably fitted on said main body covering said hot air inlets and having an exhaust member integrally and upwardly extending from said cover in the center of the cover, said exhaust member being open at the upper and lower ends, a lid pivotably secured to said exhaust member for opening and closing the exhaust member and having an elongated opening and a rope extending through said opening with the lower end secured to said exhaust member and the upper end connected to a lift mechanism for lowering and raising said cover onto and from said main body.
Claim 3
Dependent Claim 46 words
The pan-type cooking utensil as set forth in claim 1, in which said main body includes a bottom wall and a side wall integrally extending radially outwardly from the periphery of said bottom wall at an angle with respect to the plane of the bottom wall.
Claim 4
Dependent Claim 41 words
The pan-type cooking utensil as set forth in claim 2, said side wall has a flange extending along the upper peripheral edge of the side wall and said hot air inlets are provided in said flange in a circumferentially spaced relationship.
Claim 5
Dependent Claim 48 words
The pan-type cooking utensil as set forth in claim 2, in which said hot air inlets are provided in said side wall in different intermediate positions between the upper and lower edges of the side wall along the height of the side wall in a circumferentially spaced relationship.
Claim 6
Dependent Claim 31 words
The pan-type cooking utensil as set forth in claim 2, in which said hot air inlets are provided at the upper edge of said side wall in a circumferentially spaced relationship.
Claim 7
Dependent Claim 44 words
The pan-type cooking utensil as set forth in claim 1, further including projections integrally extending radially inwardly from the inner surface of said side wall and a screen extending across the interior of the side wall and secured at the periphery to said projections.
Claim 8
Dependent Claim 23 words
The pan-type cooking utensil as set forth in claim 5, in which said hot air inlets are in the form of a notch.

References Cited (Backward Citations)

US1723413A Cited
DE537638C Cited
US1862420A Cited
US2057421A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1986-09-26 1987-03-28 1987-09-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1990-09-26 1991-03-28 1991-09-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1994-09-26 1995-03-28 1995-09-27 $7700.00 Window Closed / Lapsed

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