US3120168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control mechanism for popcorn machine
Assignee: Manley Inc
•
Filing: 1958-07-30
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Granted: 1964-02-04
•
Expires: 1978-07-30
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-
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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) | 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 |