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US3120168A Expired / Lapsed US ⏱️ 0.0 years remaining

Control mechanism for popcorn machine

Assignee: Manley Inc
•
Filing: 1958-07-30
•
Granted: 1964-02-04
•
Expires: 1978-07-30
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Abstract

No abstract record available.

Inventors

  • 👤 William G Lippert

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 16:08
CPC Classifications
A; A47; A47J; A47J37/00; A23; A23L; A23L7/00; A23L7/10; A23L7/161; A23L7/174; A23L7/183; A23L7/187

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 178 words
CONTROL CIRCUITRY FOR A POPCORN MACHINE PROVIDED WITH A POPPING KETTLE, A BOTTOM, A POPCORN STORAGE CONTAINER HAVING AN ACTUATABLE SLIDE GATE PROVIDING DISPENSING MEANS THEREFOR, A FLUID SEASONING STORAGE RECEPTACLE HAVING FLUID PUMP MEANS COUPLED THEREWITH, AND SHIFTABLE HINGE MEANS SWINGABLY MOUNTING SAID BOTTOM ON SAID KETTLE FOR MOVEMENT FROM A POSITION CLOSING THE KETTLE TO A POSITION CLEARING THE KETTLE TO PERMIT GRAVITATION OF POPPED CORN THEREFROM, SAID CIRCUITRY COMPRISING: ELECTRICAL HEATER MEANS ADAPTED TO BE DISPOSED WITHIN SAID BOTTOM IN THERMAL INTERCHANGE RELATIONSHIP THERETO FOR HEATING SAID BOTTOM AND THEREBY POPCORN WITHIN SAID KETTLE; ELECTRICALLY RESPONSIVE DUMPING MEANS ADAPTED TO BE OPERABLY COUPLED WITH SAID HINGE MEANS FOR SHIFTING THE LATTER TO THEREBY SWING SAID BOTTOM FROM SAID CLOSING POSITION TO SAID CLEARING POSITION, BACK TO A PARTIALLY CLOSED, CONTENTS-RETAINING POSITION, AND THEN TO SAID CLOSING POSITION; ELECTRICAL THERMOSTAT MEANS ADAPTED TO BE DISPOSED WITHIN SAID BOTTOM IN THERMAL INTERCHANGE RELATIONSHIP THERETO AND OPERABLY COUPLED WITH SAID HEATER MEANS FOR ACTUATING SAID HEATER MEANS WHEN SAID THERMOSTAT MEANS IS IN A CLOSED POSITION, SAID THERMO-
Claim 2
Dependent Claim 178 words
CONTROL CIRCUITRY FOR A POPCORN MACHINE PROVIDED WITH A POPPING KETTLE, A BOTTOM, A POPCORN STORAGE CONTAINER HAVING AN ACTUATABLE SLIDE GATE PROVIDING DISPENSING MEANS THEREFOR, A FLUID SEASONING STORAGE RECEPTACLE HAVING FLUID PUMP MEANS COUPLED THEREWITH, AND SHIFTABLE HINGE MEANS SWINGABLY MOUNTING SAID BOTTOM ON SAID KETTLE FOR MOVEMENT FROM A POSITION CLOSING THE KETTLE TO A POSITION CLEARING THE KETTLE TO PERMIT GRAVITATION OF POPPED CORN THEREFROM, SAID CIRCUITRY COMPRISING: ELECTRICAL HEATER MEANS ADAPTED TO BE DISPOSED WITHIN SAID BOTTOM IN THERMAL INTERCHANGE RELATIONSHIP THERETO FOR HEATING SAID BOTTOM AND THEREBY POPCORN WITHIN SAID KETTLE; ELECTRICALLY RESPONSIVE DUMPING MEANS ADAPTED TO BE OPERABLY COUPLED WITH SAID HINGE MEANS FOR SHIFTING THE LATTER TO THEREBY SWING SAID BOTTOM FROM SAID CLOSING POSITION TO SAID CLEARING POSITION, BACK TO A PARTIALLY CLOSED, CONTENTS-RETAINING POSITION, AND THEN TO SAID CLOSING POSITION; ELECTRICAL THERMOSTAT MEANS ADAPTED TO BE DISPOSED WITHIN SAID BOTTOM IN THERMAL INTERCHANGE RELATIONSHIP THERETO AND OPERABLY COUPLED WITH SAID HEATER MEANS FOR ACTUATING SAID HEATER MEANS WHEN SAID THERMOSTAT MEANS IS IN A CLOSED POSITION, SAID THERMO-

References Cited (Backward Citations)

USRE20570E Cited
US1224347A Cited
US2027698A Cited
US2108627A Cited
US2554802A Cited
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US2948438A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-02-03 1967-08-05 1968-02-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-02-03 1971-08-05 1972-02-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-02-03 1975-08-05 1976-02-04 $7700.00 Window Closed / Lapsed

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