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US3175369A Expired / Lapsed US ⏱️ 0.0 years remaining

Ice making machine

Assignee: Individual
•
Filing: 1963-11-12
•
Granted: 1965-03-30
•
Expires: 1983-11-12
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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 18:46
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)

US2877632A Cited
US2922284A Cited
US3088289A Cited

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

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