Patent US3175369A successfully refreshed from Google Patents.
US3175369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ice making machine
Assignee: Individual
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Filing: 1963-11-12
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Granted: 1965-03-30
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Expires: 1983-11-12
Abstract
No abstract record available.
Inventors
- 👤 Shirley D Murphy
- 👤 Guy F Farmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:02
CPC Classifications
F; F25; F25B; F25B21/00; F25B21/02; F25C; F25C1/00; F25C1/12; F25C1/14; F25C1/145; F25C1/147
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
336 words
AN ICE MAKING MACHINE COMPRISING: A GENERALLY ELONGATED FREEZING CHAMBER MEMBER HAVING A CYLINDRICAL BORE THEREIN WITH A CLOSED LOWER END AND THERMAL INSULATING MEANS BELOW THE ENTIRE LOWER END AND IN CONTACT THEREWITH, SAID FREEZING CHAMBER MEMBER HAVING PLANAR EXTERIOR SURFACES PARALLEL TO THE AXIS OF SAID BORE; A HEAT SINK MEMBER HAVING A PLURALITY OF PLANAR SURFACES DISPOSED IN SPACED RELATIONSHIP TO AND FACING THE PLANAR SURFACES OF SAID FREEZING CHAMBER MEMBER; A PLURALITY OF FINS EXTENDING ON THE EXTERIOR SURFACE OF SAID HEAT SINK MEMBER; A PLURALITY OF THERMOELECTRIC COOLING ELEMENTS, SAID THERMOELECTRIC ELEMENTS BEING DISPOSED IN THE SPACES BETWEEN THE FACING PLANAR SURFACES OF SAID FREEZING CHAMBER MEMBER AND SAID HEAT SINK MEMBER AND BEING DISPOSED IN CONTIGUOUS RELATIONSHIP TO SAID PLANAR SURFACES OF SAID FREEZING CHAMBER MEMBER AND SAID HEAT SINK WHEREBY THE PLANAR SURFACE OF THE FREEZING CHAMBER MEMBER PROVIDES COLD TERMINALS FOR SAID ELEMENTS AND THE PLANAR SURFACES OF SAID HEAT SINK MEMBER PROVIDE HOT TERMINALS FOR SAID THERMOELECTRIC ELEMENTS; THERMAL INSULATING MEANS DISPOSED BETWEEN THE HEAT SINK MEMBER AND PORTIONS OF SAID FREEZING CHAMBER MEMBER OTHER THAN THE PORTIONS CONTACTING SAID THERMOELECTRIC ELEMENTS; AN EXIT MEMBER HAVING A DISCHARGE APERTURE COMMUNICATING WITH THE BORE IN SAID FREEZING CHAMBER MEMBER, TO ACCOMMODATE DISCHARGE OF ICE THEREFROM; CUTTER MEANS DISPOSED TO CUT ICE INTO FLASKES FOR DISCHARGE THROUGH SAID APERTURE; AN AUGER IN SAID BORE; MEANS ABOVE SAID APERTURE AND DRIVING SAID AUGER TO IMPART MOTION OF THE CONTENTS OF SAID FREEZING CHAMBER BORE IN A DIRECTION TOWARD SAID APERTURE IN SAID EXIT MEMBER; WATER SUPPLY MEANS MOUNTED TO ONE OF SAID MEMBERS, SAID WATER SUPPLY MEANS INCLUDING A VALVE AND A WATER OUTLET COUPLED TO THE FREEZING CHAMBER MEMBER AND COMMUNICATING WITH THE BORE THEREOF, SAID VALVE BEING ARRANGED TO CONTROL ADMISSION OF WATER TO SAID FREEZING CHAMBER BORE; AND BLOWER MEANS ASSOCIATED WITH SAID HEAT SINK MEMBER AND THE SAID FINS TO PROVIDE A FORCED AIR FLOW THROUGH SAID FINS TO REMOVE HEAT FROM THE HEAT SINK MEMBER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |