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US3108449A Expired / Lapsed US ⏱️ 0.0 years remaining

Machine for making anicy product with torque sensitive control

Assignee: John E Mitchell Co
•
Filing: 1961-03-03
•
Granted: 1963-10-29
•
Expires: 1981-03-03
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Abstract

No abstract record available.

Inventors

  • 👤 Charles M Lents

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 15:30
CPC Classifications
A; A23; A23G; A23G9/00; A23G9/04; A23G9/22; A23G9/228; A23G9/20

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 156 words
A METHOD OF MAKING A SLUSHY PRODUCT, INCLUDING THE STEPS OF CONFINING A FLUENT AND FREEZABLE LIQUID PRODUCT UNDER SUPERATMOSPHERIC PRESSURE OF A GAS CONTAINED THEREIN: CHILLING IT UNTIL IT BEGINS TO FREEZE, RESTRICTING THE CHILLING WHEN THE MASS IS A FEW DEGREES BELOW ITS FREEZING POINT AT ATMOSPHERIC PRESSURE, BUT IT ONLY INCIPIENTLY FROZEN AT THE ELEVATED PRESSURE IN THE CONTAINER, AND ITS VISCOSITY INCREASES TO PREDETERMINED VALUE, MAINTAINING THE CHILLING THUS RESTRICTED UNTIL THE VISCOSITY IT SUBSEQUENTLY REDUCED TO A PREDETERMINED VALUE, THEN AGIN INCREASING IT, THEREBY PRODUCING AND MAINTAINING A PRODUCT THT IS INCIPIENTLY FREEZING BUT FLUENT AT THE PRESSURE AND TEMPERATURE IN THE CONTAINER; OPENING AN OUTLET FROM THE CONTAINER, CAUSING DISCHARGE OF THE PRODUCT BY PRESSURE BY THE GAS WITHIN THE CONTAINER AND DELIVERY OF THE PRODUCT INTO A RECEPTACLE AT ATMOSPHERIC PRESSURE, AND THEREBY CAUSING FREEZING OF TINY DISCRETE PARTICLES FROM THE PRODUCT AFTER IT IS DISCHARGED FROM THE CONTAINER.
Claim 2
Independent Claim 156 words
A METHOD OF MAKING A SLUSHY PRODUCT, INCLUDING THE STEPS OF CONFINING A FLUENT AND FREEZABLE LIQUID PRODUCT UNDER SUPERATMOSPHERIC PRESSURE OF A GAS CONTAINED THEREIN: CHILLING IT UNTIL IT BEGINS TO FREEZE, RESTRICTING THE CHILLING WHEN THE MASS IS A FEW DEGREES BELOW ITS FREEZING POINT AT ATMOSPHERIC PRESSURE, BUT IT ONLY INCIPIENTLY FROZEN AT THE ELEVATED PRESSURE IN THE CONTAINER, AND ITS VISCOSITY INCREASES TO PREDETERMINED VALUE, MAINTAINING THE CHILLING THUS RESTRICTED UNTIL THE VISCOSITY IT SUBSEQUENTLY REDUCED TO A PREDETERMINED VALUE, THEN AGIN INCREASING IT, THEREBY PRODUCING AND MAINTAINING A PRODUCT THT IS INCIPIENTLY FREEZING BUT FLUENT AT THE PRESSURE AND TEMPERATURE IN THE CONTAINER; OPENING AN OUTLET FROM THE CONTAINER, CAUSING DISCHARGE OF THE PRODUCT BY PRESSURE BY THE GAS WITHIN THE CONTAINER AND DELIVERY OF THE PRODUCT INTO A RECEPTACLE AT ATMOSPHERIC PRESSURE, AND THEREBY CAUSING FREEZING OF TINY DISCRETE PARTICLES FROM THE PRODUCT AFTER IT IS DISCHARGED FROM THE CONTAINER.

References Cited (Backward Citations)

US1763567A Cited
US2131510A Cited
US2150792A Cited
US1998841A Cited
US2134787A Cited
US2272614A Cited
US2358756A Cited
US2536319A Cited
US2541814A Cited
US2793505A Cited
US2779515A Cited
US3004398A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-10-28 1967-04-29 1967-10-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-10-28 1971-04-29 1971-10-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-10-28 1975-04-29 1975-10-29 $7700.00 Window Closed / Lapsed

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