US3246993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of frozen discrete citrus fruit cells
Assignee: Airco Inc
•
Filing: 1961-12-04
•
Granted: 1966-04-19
•
Expires: 1981-12-04
Abstract
No abstract record available.
Inventors
- 👤 Robert C Webster
- 👤 Elmer C Parish
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:02
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)
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 |