Patent US3080237A successfully refreshed from Google Patents.
US3080237A
Expired / Lapsed
US
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Method for producing a concentrated tea extract
Assignee: Tea Corp
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Filing: 1960-02-24
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Granted: 1963-03-05
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Expires: 1980-02-24
Abstract
No abstract record available.
Inventors
- 👤 Bonotto Michele
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:05
CPC Classifications
B; B01; B01D; B01D11/00; B01D11/02; B01D11/0215; B01D11/0223; B01D11/0238; A; A23; A23F; A23F3/00; A23F3/16; A23F3/18; B01D11/0226
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A PROCESS FOR PRODUCING A HIGHLY CONCENTRATED, FULLY FLAVORED TEA EXTRACT FROM TEA LEAVES WHICH COMPRISES SUPPYLING QUANTITIES OF TEA LEAVES IN A CRIMPED AND CURLED CONDITION AND FROM WHICH SOLUBLE SURFACE SOLIDS HAVE BEEN LEACHED, SUCCESSIVELY SUBJECTING SAID LEACHED TEA LEAVES TO AN AQUEOUS COUNTERCURRENT EQUILIBRIUM EXTRACTION THEREBY OBTAINING A TEA EXTRACT CONTAINING THE LESS VOLATILE SOLUBLES FROM WITHIN THE TEA LEAVES AND AT A CONCENTRATION OF AT LEAST 10% SOLIDS, TREATING QUANTITIES OF FRESH, DRY TEA LEAVES IN A CRIMPED AND CURLED NATURAL CONDITION WITH SAID CONCENTRATION TEA EXTRACT AT A TEMPERA-
Claim 2
Dependent Claim
94 words
A PROCESS FOR PRODUCING A HIGHLY CONCENTRATED, FULLY FLAVORED TEA EXTRACT FROM TEA LEAVES WHICH COMPRISES SUPPYLING QUANTITIES OF TEA LEAVES IN A CRIMPED AND CURLED CONDITION AND FROM WHICH SOLUBLE SURFACE SOLIDS HAVE BEEN LEACHED, SUCCESSIVELY SUBJECTING SAID LEACHED TEA LEAVES TO AN AQUEOUS COUNTERCURRENT EQUILIBRIUM EXTRACTION THEREBY OBTAINING A TEA EXTRACT CONTAINING THE LESS VOLATILE SOLUBLES FROM WITHIN THE TEA LEAVES AND AT A CONCENTRATION OF AT LEAST 10% SOLIDS, TREATING QUANTITIES OF FRESH, DRY TEA LEAVES IN A CRIMPED AND CURLED NATURAL CONDITION WITH SAID CONCENTRATION TEA EXTRACT AT A TEMPERA-
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) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |