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US3246993A Expired / Lapsed US ⏱️ 0.0 years remaining

Preparation of frozen discrete citrus fruit cells

Assignee: Airco Inc
•
Filing: 1961-12-04
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Granted: 1966-04-19
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Expires: 1981-12-04
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Abstract

No abstract record available.

Inventors

  • 👤 Robert C Webster
  • 👤 Elmer C Parish

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 19:01
CPC Classifications
A; A23; A23G; A23G9/00; A23G9/32; A23G9/42; A23B; A23B7/00; A23B7/04; A23B7/0425; A23B7/0433

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 70 words
THE METHOD OF TREATING CITRUS FRUITS WHICH COMPRISES PEELING THE FRUIT, IMMERSING THE FRUIT IN A LIQUID HAVING HAVING A TEMPERATURE AT LEAST AS LOW AS -100*F. FOR A PERIOD LONG ENOUGH TO FREEZE THE FRUIT TO A SOLID CONDITION, REMOVING THE FRUIT FROM THE LIQUID INTO AN ATMOSPHERE AT APPROXIMATELY ROOM TEMPERATURE, AND WITH THE FRUIT SO FROZEN SEPARATING THE UNRUPTURED JUICE CELLS FROM THE REMAINDER OF THE FRUIT.
Claim 2
Independent Claim 70 words
THE METHOD OF TREATING CITRUS FRUITS WHICH COMPRISES PEELING THE FRUIT, IMMERSING THE FRUIT IN A LIQUID HAVING HAVING A TEMPERATURE AT LEAST AS LOW AS -100*F. FOR A PERIOD LONG ENOUGH TO FREEZE THE FRUIT TO A SOLID CONDITION, REMOVING THE FRUIT FROM THE LIQUID INTO AN ATMOSPHERE AT APPROXIMATELY ROOM TEMPERATURE, AND WITH THE FRUIT SO FROZEN SEPARATING THE UNRUPTURED JUICE CELLS FROM THE REMAINDER OF THE FRUIT.

References Cited (Backward Citations)

US1731476A Cited
US2086911A Cited
US2818342A Cited
US2853386A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-04-18 1969-10-18 1970-04-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-04-18 1973-10-18 1974-04-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-04-18 1977-10-18 1978-04-19 $7700.00 Window Closed / Lapsed

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