← Back to Patent Explorer
US3187664A Expired / Lapsed US ⏱️ 0.0 years remaining

Automatic deep-fat pressure cooker

Assignee: Individual
•
Filing: 1962-09-17
•
Granted: 1965-06-08
•
Expires: 1982-09-17
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Jack W Jennings

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 03:54
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/12; A47J37/1219; A47J27/00; A47J27/08; A47J27/0802

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 314 words
AN AUTOMATIC DEEP FAT PRESSURE COOKER COMPRISING IN COMBINATION, A HOUSING HAVING A PORTION DEFINING AN INSTRUMENT PANEL, SAID HOUSING HAVING AN OPENING IN THE TOP, A HOLLOW POT POSITIONED IN SAID HOUSING AND HAVING THE UPPER EDGE PORTION THEREOF POSITIONED AT SAID OPENING IN SAID HOUSING, SAID POT HAVING A GENERALLY CYLINDRICAL CENTER PORTION AND AN INCLINED LOWER PORTION TAPERING TO A DRAIN OUTLET AT THE LOWERMOST PORTION OF THE INTERIOR OF SAID POT, A PLURALITY OF ELECTRICALLY HEATING ELEMENTS POSITIONED IN SAID LOWER PORTION OF SAID POT AND HAVING END PORTIONS THEREOF SEALINGLY PROJECTING THROUGH SAID POT, EACH OF SAID HEATING ELEMENTS BEING ELECTRICALLY CONNECTED TO A THERMOSTAT AND TO A SOURCE OF ELECTRIC POWER, A HEAT SENSING MEMBER ELECTRICALLY CONNECTED TO SAID THERMOSTAT AND POSITIONED WITHIN SAID POT TO SENSE THE TEMPERATURE THEREIN TO OPERATE SAID THERMOSTAT, TWO ELONGATED GAS HEATING PIPES HAVING INTERMEDIATE PORTIONS THEREOF POSITIONED IN SAID LOWER PORTION OF SAID POT ADJACENT SAID ELECTRICAL HEATING ELEMENTS AND HAVING THE END PORTIONS THEREOF SEALINGLY PROJECTING THROUGH SAID POT, EACH OF SAID PIPES HAVING A PLURALITY OF BAFFLES THEREIN EXTENDING TRANSVERSELY ACROSS SAID INTERMEDIATE PORTIONS THEREOF, A PRIMARY FUEL GAS CONDUIT CONNECTIBLE IN ONE END PORTION TO A SUPPLY OF COMBUSTIBLE FUEL GAS UNDER PRESSURE, TWO NOZZLES CONNECTED TO SAID GAS CONDUIT, EACH OF SAID NOZZLES BEING POSITIONED ADJACENT AND IN SPACED RELATION TO SAID INLET ENDS OF SAID HEATING PIPES, A THERMOSTAT OPERATED VALVE IN SAID GAS CONDUIT UPSTREAM FROM SAID NOZZLES AND OPERABLE TO OPEN AND CLOSE SAID CONDUIT TO THE PASSAGE OF GAS IN RESPONSE TO THE TEMPERATURE IN SAID POT, A PILOT LIGHT GAS CONDUIT CONNECTED TO SAID PRIMARY GAS CONDUIT UPSTREAM OF SAID VALVE THEREIN, A PILOT LIGHT NOZZLE CONNECTED TO SAID PILOT LIGHT CONDUIT AND POSITIONED AT SAID INLET ENDS OF SAID HEATING PIPES BETWEEN SAID FIRST-NAMED NOZZLES AND SAID HEATING PIPES, SAID PILOT
Claim 2
Dependent Claim 314 words
AN AUTOMATIC DEEP FAT PRESSURE COOKER COMPRISING IN COMBINATION, A HOUSING HAVING A PORTION DEFINING AN INSTRUMENT PANEL, SAID HOUSING HAVING AN OPENING IN THE TOP, A HOLLOW POT POSITIONED IN SAID HOUSING AND HAVING THE UPPER EDGE PORTION THEREOF POSITIONED AT SAID OPENING IN SAID HOUSING, SAID POT HAVING A GENERALLY CYLINDRICAL CENTER PORTION AND AN INCLINED LOWER PORTION TAPERING TO A DRAIN OUTLET AT THE LOWERMOST PORTION OF THE INTERIOR OF SAID POT, A PLURALITY OF ELECTRICALLY HEATING ELEMENTS POSITIONED IN SAID LOWER PORTION OF SAID POT AND HAVING END PORTIONS THEREOF SEALINGLY PROJECTING THROUGH SAID POT, EACH OF SAID HEATING ELEMENTS BEING ELECTRICALLY CONNECTED TO A THERMOSTAT AND TO A SOURCE OF ELECTRIC POWER, A HEAT SENSING MEMBER ELECTRICALLY CONNECTED TO SAID THERMOSTAT AND POSITIONED WITHIN SAID POT TO SENSE THE TEMPERATURE THEREIN TO OPERATE SAID THERMOSTAT, TWO ELONGATED GAS HEATING PIPES HAVING INTERMEDIATE PORTIONS THEREOF POSITIONED IN SAID LOWER PORTION OF SAID POT ADJACENT SAID ELECTRICAL HEATING ELEMENTS AND HAVING THE END PORTIONS THEREOF SEALINGLY PROJECTING THROUGH SAID POT, EACH OF SAID PIPES HAVING A PLURALITY OF BAFFLES THEREIN EXTENDING TRANSVERSELY ACROSS SAID INTERMEDIATE PORTIONS THEREOF, A PRIMARY FUEL GAS CONDUIT CONNECTIBLE IN ONE END PORTION TO A SUPPLY OF COMBUSTIBLE FUEL GAS UNDER PRESSURE, TWO NOZZLES CONNECTED TO SAID GAS CONDUIT, EACH OF SAID NOZZLES BEING POSITIONED ADJACENT AND IN SPACED RELATION TO SAID INLET ENDS OF SAID HEATING PIPES, A THERMOSTAT OPERATED VALVE IN SAID GAS CONDUIT UPSTREAM FROM SAID NOZZLES AND OPERABLE TO OPEN AND CLOSE SAID CONDUIT TO THE PASSAGE OF GAS IN RESPONSE TO THE TEMPERATURE IN SAID POT, A PILOT LIGHT GAS CONDUIT CONNECTED TO SAID PRIMARY GAS CONDUIT UPSTREAM OF SAID VALVE THEREIN, A PILOT LIGHT NOZZLE CONNECTED TO SAID PILOT LIGHT CONDUIT AND POSITIONED AT SAID INLET ENDS OF SAID HEATING PIPES BETWEEN SAID FIRST-NAMED NOZZLES AND SAID HEATING PIPES, SAID PILOT

References Cited (Backward Citations)

US1982301A Cited
US2537695A Cited
US2649341A Cited
US2849944A Cited
US2827379A Cited
US2914063A Cited
US2942753A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-06-07 1968-12-07 1969-06-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-06-07 1972-12-07 1973-06-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-06-07 1976-12-07 1977-06-08 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag