Patent US3682650A successfully refreshed from Google Patents.
US3682650A
Expired / Lapsed
US
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Process for preparing frozen coffee and product produced therefrom
Assignee: General Foods Corp
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Filing: 1970-05-22
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Granted: 1972-08-08
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Expires: 1990-05-22
Abstract
Abstract FREEZE-DRIED COFFEE HAVING A CONTROL DENSITY AND A DARK COLOR SIMULATING ROASTED AND GROUND COFFEE IS PRODUCED BY FORMING A SLURRY OF ICE CRYSTALS OF CONTROLLED SIZE AND A MOTHER LIQUOR CONTACTING THESE CRYSTALS HAVING A CONCENTRATION OF ABOUT 40% TO 50% SOLUBLE SOLIDS PRIOR TO FREEZING AND FREEZE DRYING.
Inventors
- 👤 Harry T Easton
- 👤 Daniel E Dwyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:21
CPC Classifications
A; A23; A23F; A23F5/00; A23F5/24; A23F5/28; A23F5/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-08-08 | 1976-02-07 | 1976-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-08 | 1980-02-07 | 1980-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-08 | 1984-02-07 | 1984-08-08 | $7700.00 | Window Closed / Lapsed |