Patent US3707907A successfully refreshed from Google Patents.
US3707907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning device for deep fat cooker
Assignee: Individual
•
Filing: 1971-04-26
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Granted: 1973-01-02
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Expires: 1991-04-26
Abstract
Abstract Means for filtering the liquid cooking medium and for cleaning the pot of a deep fat pressure cooker include means for pumping filtered cooking medium from the filter means and returning the filtered cooking medium under pressure to the pot with spray means within the pot directing the filtered cooking medium under pressure in a stream across the inner surface of the pot, washing cooked food particles impinging thereon away for further filtering.
Inventors
- 👤 R Wilson
- 👤 R Rogers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:26
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/12; A47J37/1223; Y; Y10; Y10S; Y10S210/00; Y10S210/08
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
157 words
A deep fat fryer and the like containing a liquid cooking medium within a pot, said pot having a vertical wall and a passageway adjacent a bottom, and electrical means for heating said liquid cooking medium, means for filtering said liquid cooking medium and for cleaning said pot comprising: filter means for receiving said liquid cooking medium for filtering same; means for pumping cooking medium from said pot; means for returning filtered cooking medium under pressure to said pot; and means for concentrating a spray connected to said means returning said filtered cooking medium within said pot of said filtered cooking medium under pressure directly in a stream across an inner surface of said wall adjacent an upper portion thereof washing cooked food particles impinging on all inner wall surfaces of said pot carrying cooked food particles into the passageway for further filtering of such cooking medium prior to again supplying said pot with filtered cooking medium.
Claim 2
Dependent Claim
157 words
A deep fat fryer and the like containing a liquid cooking medium within a pot, said pot having a vertical wall and a passageway adjacent a bottom, and electrical means for heating said liquid cooking medium, means for filtering said liquid cooking medium and for cleaning said pot comprising: filter means for receiving said liquid cooking medium for filtering same; means for pumping cooking medium from said pot; means for returning filtered cooking medium under pressure to said pot; and means for concentrating a spray connected to said means returning said filtered cooking medium within said pot of said filtered cooking medium under pressure directly in a stream across an inner surface of said wall adjacent an upper portion thereof washing cooked food particles impinging on all inner wall surfaces of said pot carrying cooked food particles into the passageway for further filtering of such cooking medium prior to again supplying said pot with filtered cooking medium.
Claim 3
Dependent Claim
39 words
The structure set forth in claim 1, wherein said vertical wall is round and has an inwardly extending lip carried by an upper portion thereof, means fixing the spray means below said lip confining said stream within the pot.
References Cited (Backward Citations)
US3210193A
Cited
US3573861A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-02 | 1976-07-03 | 1977-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-02 | 1980-07-03 | 1981-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-02 | 1984-07-03 | 1985-01-02 | $7700.00 | Window Closed / Lapsed |