US2771364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carbonation of coffee extract
Assignee: Wyeth LLC
•
Filing: 1954-06-11
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Granted: 1956-11-20
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Expires: 1974-06-11
Abstract
No abstract record available.
Inventors
- 👤 Fletcher A Chase
- 👤 George E Laursen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:22
CPC Classifications
A; A23; A23F; A23F5/00; A23F5/24; A23F5/28; A23F5/34; A23F5/36; A23F5/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
IN A PROCESS OF PRODUCING SOLUBLE SOLID COFFEE EXTRACT IN WHICH A HIGHLY CONCENTRATED AQUEOUS COFFEE EXTRACT CONTAINING UP TO 58 PERCENT SOLUBLE COFFEE SOLIDS IS SPRAY DRIED, THE IMPROVEMENT WHICH COMPRISES ABSORBING CARBON DIOXIDE TO SATURATION IN SAID AQUEOUS EXTRACT BY INTIMATELY CONTACTING SAID EXTRACT WITH AN ATMOSPHERE OF
Claim 2
Dependent Claim
50 words
IN A PROCESS OF PRODUCING SOLUBLE SOLID COFFEE EXTRACT IN WHICH A HIGHLY CONCENTRATED AQUEOUS COFFEE EXTRACT CONTAINING UP TO 58 PERCENT SOLUBLE COFFEE SOLIDS IS SPRAY DRIED, THE IMPROVEMENT WHICH COMPRISES ABSORBING CARBON DIOXIDE TO SATURATION IN SAID AQUEOUS EXTRACT BY INTIMATELY CONTACTING SAID EXTRACT WITH AN ATMOSPHERE OF
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) | 1959-11-20 | 1960-05-21 | 1960-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-20 | 1964-05-21 | 1964-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-20 | 1968-05-21 | 1968-11-20 | $7700.00 | Window Closed / Lapsed |