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
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.
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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) | 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 |