Patent US4452581A successfully refreshed from Google Patents.
US4452581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooking utensil
Assignee: Individual
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Filing: 1982-03-29
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Granted: 1984-06-05
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Expires: 2002-03-29
Abstract
Abstract A cooking utensil comprising a pan with a flat bottom and vertical side means formed integrally with said bottom, and an array of evenly spaced substantially uniform holes formed in a portion of said bottom to provide a food extrusion area, the remaining portion of said bottom providing a food holding area.
Inventors
- 👤 Mary Panehal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:14
CPC Classifications
A; A21; A21B; A21B3/00; A21B3/13; A47; A47J; A47J43/00; A47J43/28; A47J43/287
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
162 words
A cooking utensil comprising a pan with a flat bottom and vertical side means formed integrally with said bottom, and an array of evenly spaced substantially uniform holes formed only in a portion of said bottom to provide a food extrusion area, the remaining portion of said bottom providing a food holding area, said food holding area comprising at least one-half of the surface area of said bottom, and clamping means for mounting said pan on a cooking vessel, said clamping means comprising a central web portion with a first downwardly facing U-shaped bracket member extending from and overhanging a first end of said web portion and a second U-shaped bracket member extending from an underlying a second end of said web portion, said first end of said web portion being opposite said second end of said web portion, said first U-shaped bracket being adapted for attachment to said pan, said second U-shaped bracket being adapted for attachment to said cooling vessel.
Claim 2
Dependent Claim
162 words
A cooking utensil comprising a pan with a flat bottom and vertical side means formed integrally with said bottom, and an array of evenly spaced substantially uniform holes formed only in a portion of said bottom to provide a food extrusion area, the remaining portion of said bottom providing a food holding area, said food holding area comprising at least one-half of the surface area of said bottom, and clamping means for mounting said pan on a cooking vessel, said clamping means comprising a central web portion with a first downwardly facing U-shaped bracket member extending from and overhanging a first end of said web portion and a second U-shaped bracket member extending from an underlying a second end of said web portion, said first end of said web portion being opposite said second end of said web portion, said first U-shaped bracket being adapted for attachment to said pan, said second U-shaped bracket being adapted for attachment to said cooling vessel.
Claim 3
Dependent Claim
31 words
The utensil of claim 1 wherein said holes are spaced sufficiently from each other to provide said utensil with structural integrity and to avoid clumping of food extruded through said holes.
Claim 4
Dependent Claim
10 words
The utensil of claim 1 wherein said bottom is circular.
Claim 5
Dependent Claim
35 words
The utensil of claim 1 wherein the ratio of the average diameter of said holes to the average spacing between the centers of said holes is in the range of about 5:11 to about 4:13.
Claim 6
Dependent Claim
22 words
The utensil of claim 1 wherein said pan is formed of a relatively lightweight material to enable facilitated handling by a user.
Claim 7
Dependent Claim
25 words
The utensil of claim 1 wherein said pan is formed of a material selected from the group consisting of sheet metal, aluminum or heat-resistant plastic.
Claim 8
Dependent Claim
23 words
The utensil of claim 1 wherein said holes are circular with an average diameter in the range of about 1/4 to about 5/16-inch.
Claim 9
Dependent Claim
14 words
The utensil of claim 1 wherein said side means includes a top rolled edge.
Claim 10
Dependent Claim
32 words
The utensil of claim 1 wherein said bottom is a thin-walled circular member and said side means comprises a circumferentially mounted substantially vertically extending wall member that includes a top rolled edge.
Claim 11
Dependent Claim
36 words
The utensil of claim 1 wherein said bottom is formed of a sufficiently thin-walled material to enable facilitated dislodgement of food from said holes by scraping the top surface area of said bottom with scraper means.
Claim 12
Dependent Claim
47 words
The utensil of claim 1 wherein said array includes a first set of parallel spaced rows of said holes offset by a second set of parallel spaced rows of said holes, the rows in said first set alternating in sequence with the rows in said second set.
Claim 13
Dependent Claim
18 words
The utensil of claim 1 wherein said clamping means comprises a mounting bracket fixedly attached to said pan.
Claim 14
Dependent Claim
23 words
The utensil of claim 1 wherein said pan is circular with a diameter in the range of about 7 to about 12 inches.
Claim 15
Dependent Claim
26 words
The utensil of claim 1 wherein the average spacing between the centers of said holes is in the range of about 11/16 to about 13/16 inch.
Claim 16
Dependent Claim
15 words
The utensil of claim 1 wherein said clamping means is removably attached to said pan.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-06-05 | 1987-12-05 | 1988-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-06-05 | 1991-12-05 | 1992-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-06-05 | 1995-12-05 | 1996-06-05 | $7700.00 | Window Closed / Lapsed |