US3232064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoelectric ice making apparatus
Assignee: Individual
•
Filing: 1964-11-27
•
Granted: 1966-02-01
•
Expires: 1984-11-27
Abstract
No abstract record available.
Inventors
- 👤 Shirley D Murphy
- 👤 Sr Guy F Farmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:21
CPC Classifications
F; F25; F25C; F25C1/00; F25C1/04; F25B; F25B21/00; F25B21/02; F25C5/00; F25C5/02; F25C5/04; F25C5/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
AN ICE MAKING MACHINE COMPRISING: A FRAME; A WATER FREEZING TUBE AFFIXED TO SAID FRAME AND HAVING AN INCLINED LONGITUDINAL AXIS; A THAWING TUBE COAXIAL WITH AND SURROUNDING SAID FREEZING TUBE; A REFRIGERATING DEVICE REMOVING HEAT FROM SAID FREEZING TUBE; A FIRST VALVE FOR ADMITTING WATER TO SAID FREEZING TUBE; A SECOND VALVE FOR ADMITTING WATER TO SAID THAWING TUBE; A SOURCE OF WATER UNDER PRESSURE COUPLED TO SAID FIRST VALVE;
Claim 2
Dependent Claim
71 words
AN ICE MAKING MACHINE COMPRISING: A FRAME; A WATER FREEZING TUBE AFFIXED TO SAID FRAME AND HAVING AN INCLINED LONGITUDINAL AXIS; A THAWING TUBE COAXIAL WITH AND SURROUNDING SAID FREEZING TUBE; A REFRIGERATING DEVICE REMOVING HEAT FROM SAID FREEZING TUBE; A FIRST VALVE FOR ADMITTING WATER TO SAID FREEZING TUBE; A SECOND VALVE FOR ADMITTING WATER TO SAID THAWING TUBE; A SOURCE OF WATER UNDER PRESSURE COUPLED TO SAID FIRST VALVE;
References Cited (Backward Citations)
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US2949019A
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US3054840A
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US3008301A
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Cited
US3175369A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |