US3689278A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tea process
Assignee: Folger Coffee Co
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Filing: 1970-10-21
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Granted: 1972-09-05
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Expires: 1990-10-21
Abstract
Abstract A METHOD OF PREPARING TEA CONCENTRATES WHICH WHEN RECONSTITUTED IN HOT WATER HAVE IMPROVED FLAVOR AND AROMA CHARACTERISTICS COMPRISING SUBJECTING TEA TO A FLAVOR AND AROMA EXTRACTION PROCESS AND COLLECTING FLAVOR AND AROMA CONSTITUENTS, MIXING THE CONSTITUENTS WITH SOLUBLE TEA SOLIDS TO PROVIDE AN AQUEOUS MIXTURE HAVING A SOLIDS CONCENTRATION OF ABOVE ABOUT 20 PERCENT BY WEIGHT, FREEZE DRYING THE MIXTURE AND MIXING IT WITH A SPRAY DRIED INSTANT TEA.
Inventors
- 👤 Robert J Carbonell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:20
CPC Classifications
A; A23; A23F; A23F3/00; A23F3/40; A23F3/42; A23F3/426; A23F3/16; A23F3/30
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) | 1975-09-05 | 1976-03-06 | 1976-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-05 | 1980-03-06 | 1980-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-05 | 1984-03-06 | 1984-09-05 | $7700.00 | Window Closed / Lapsed |