Patent US3869972A successfully refreshed from Google Patents.
US3869972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fryer
Assignee: Individual
•
Filing: 1973-11-05
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Granted: 1975-03-11
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Expires: 1993-11-05
Abstract
Abstract A cooking apparatus in the form of a deep-fat fryer comprising a housing having a cooking tank mounted therein wherein the tank comprises at least two cooking zones arranged in adjacent, fluid communicating relation to one another, while at least one of said zones is disposed lower than the other of said zones so as to maintain the higher of said zones at a substantially greater temperature. Shortening removal means is mounted within the tank and includes a fluid regulating means removably connected thereto so as to allow or prevent flow of shortening from the tank through a gate valve or like valving arrangement. A drain stand or shelf may also be connected in communicating relation to the tank.
Inventors
- 👤 Bert Chase
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:14
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/12; A47J37/1276
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
303 words
A cooking apparatus primarily designed for cooking food products in shortening material, said apparatus comprising: a housing, cooking tank means mounted on said housing and configured to contain shortening therein, said tank means comprising a plurality of heating zones, including at least a first and second zone disposed in communicating relation with one another, both said first and second zones mounted within said tank means in substantially adjacent relation to one another and each comprising base means, said base means of said first and second zone disposed in substantially stepped relation to one another, wherEin said base means of said second zone is disposed lower than said base means of said first zone, heating means disposed in substantially contiguous relation to said base means of said first zone and out of direct fluid contact with the interior of said tank means, said heating means further disposed in substantially spaced relation to said second zone, whereby the temperature in said first zone is maintained at a substantially higher temperature than in said second zone; shortening removal means mounted on said base of said second zone in fluid communication with said fluid tank means, flow regulating means removably attachable to said shortening removal means and configured to regulate the flow of shortening from said tank, seal means removably attached in sealing engagement with said shortening removal means, said flow regulating means comprising a stand pipe including an elongated conduit having oppositely disposed open ends, one of said ends removably engaging said shortening removal means and the opposite end oriented in spaced relation thereto adjacent the surface of the shortening in said tank means, said seal means disposed in non-sealing engagement with said removal means when said stand pipe is connected thereto, whereby the removal of shortening adjacent said base of said second zone is prevented.
Claim 2
Dependent Claim
303 words
A cooking apparatus primarily designed for cooking food products in shortening material, said apparatus comprising: a housing, cooking tank means mounted on said housing and configured to contain shortening therein, said tank means comprising a plurality of heating zones, including at least a first and second zone disposed in communicating relation with one another, both said first and second zones mounted within said tank means in substantially adjacent relation to one another and each comprising base means, said base means of said first and second zone disposed in substantially stepped relation to one another, wherEin said base means of said second zone is disposed lower than said base means of said first zone, heating means disposed in substantially contiguous relation to said base means of said first zone and out of direct fluid contact with the interior of said tank means, said heating means further disposed in substantially spaced relation to said second zone, whereby the temperature in said first zone is maintained at a substantially higher temperature than in said second zone; shortening removal means mounted on said base of said second zone in fluid communication with said fluid tank means, flow regulating means removably attachable to said shortening removal means and configured to regulate the flow of shortening from said tank, seal means removably attached in sealing engagement with said shortening removal means, said flow regulating means comprising a stand pipe including an elongated conduit having oppositely disposed open ends, one of said ends removably engaging said shortening removal means and the opposite end oriented in spaced relation thereto adjacent the surface of the shortening in said tank means, said seal means disposed in non-sealing engagement with said removal means when said stand pipe is connected thereto, whereby the removal of shortening adjacent said base of said second zone is prevented.
Claim 3
Dependent Claim
303 words
A cooking apparatus primarily designed for cooking food products in shortening material, said apparatus comprising: a housing, cooking tank means mounted on said housing and configured to contain shortening therein, said tank means comprising a plurality of heating zones, including at least a first and second zone disposed in communicating relation with one another, both said first and second zones mounted within said tank means in substantially adjacent relation to one another and each comprising base means, said base means of said first and second zone disposed in substantially stepped relation to one another, wherEin said base means of said second zone is disposed lower than said base means of said first zone, heating means disposed in substantially contiguous relation to said base means of said first zone and out of direct fluid contact with the interior of said tank means, said heating means further disposed in substantially spaced relation to said second zone, whereby the temperature in said first zone is maintained at a substantially higher temperature than in said second zone; shortening removal means mounted on said base of said second zone in fluid communication with said fluid tank means, flow regulating means removably attachable to said shortening removal means and configured to regulate the flow of shortening from said tank, seal means removably attached in sealing engagement with said shortening removal means, said flow regulating means comprising a stand pipe including an elongated conduit having oppositely disposed open ends, one of said ends removably engaging said shortening removal means and the opposite end oriented in spaced relation thereto adjacent the surface of the shortening in said tank means, said seal means disposed in non-sealing engagement with said removal means when said stand pipe is connected thereto, whereby the removal of shortening adjacent said base of said second zone is prevented.
Claim 4
Dependent Claim
303 words
A cooking apparatus primarily designed for cooking food products in shortening material, said apparatus comprising: a housing, cooking tank means mounted on said housing and configured to contain shortening therein, said tank means comprising a plurality of heating zones, including at least a first and second zone disposed in communicating relation with one another, both said first and second zones mounted within said tank means in substantially adjacent relation to one another and each comprising base means, said base means of said first and second zone disposed in substantially stepped relation to one another, wherEin said base means of said second zone is disposed lower than said base means of said first zone, heating means disposed in substantially contiguous relation to said base means of said first zone and out of direct fluid contact with the interior of said tank means, said heating means further disposed in substantially spaced relation to said second zone, whereby the temperature in said first zone is maintained at a substantially higher temperature than in said second zone; shortening removal means mounted on said base of said second zone in fluid communication with said fluid tank means, flow regulating means removably attachable to said shortening removal means and configured to regulate the flow of shortening from said tank, seal means removably attached in sealing engagement with said shortening removal means, said flow regulating means comprising a stand pipe including an elongated conduit having oppositely disposed open ends, one of said ends removably engaging said shortening removal means and the opposite end oriented in spaced relation thereto adjacent the surface of the shortening in said tank means, said seal means disposed in non-sealing engagement with said removal means when said stand pipe is connected thereto, whereby the removal of shortening adjacent said base of said second zone is prevented.
Claim 5
Dependent Claim
80 words
A cooking apparatus as in claim 1, further comprising strainer means removably mounted within said second zone adjacent said base thereof, said strainer means comprising an aperture disposed and configured in cooperative relation to said flow regulating means and said seal means, said stand pipe connected to said shortening removal means through said aperture, whereby removal of said strainer means relative to said base of said second zone and said stand pipe is permitted without removal of said stand pipe.
Claim 6
Dependent Claim
20 words
A cooking apparatus as in claim 1 further comprising a drain shelf connected to said housing adjacent said tank means.
Claim 7
Dependent Claim
25 words
A cooking apparatus as in claim 3 wherein said drain shelf comprises an apertured base means disposed in spaced communicating relation to said tank means.
Claim 8
Dependent Claim
24 words
A cooking apparatus as in claim 4 wherein said drain shelf comprises a container means removably mounted thereon, said container comprises an apertured base.
Claim 9
Dependent Claim
36 words
A cooking apparatus as in claim 3 wherein said drain shelf comprises a base means angularly oriented relative to said cooking tank means, whereby objects placed thereon will tend to move towards the foremost edge thereof.
Claim 10
Dependent Claim
40 words
A cooking apparatus as in claim 6 wherein said drain shelf comprises a solid portion and an apertured portion, said apertured portion comprising at least a portion of the frontmost edge of said drain shelf relative to said tank means.
Claim 11
Dependent Claim
35 words
A cooking apparatus as in claim 1 wherein said heating zones comprise a plurality of second zones defined within said tank means, each of said second zones disposed in fluid communication with said first zone.
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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) | 1978-03-10 | 1978-09-09 | 1979-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-10 | 1982-09-09 | 1983-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-10 | 1986-09-09 | 1987-03-11 | $7700.00 | Window Closed / Lapsed |