US2785979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Processes for preparing tea products
Assignee: Individual
•
Filing: 1954-04-14
•
Granted: 1957-03-19
•
Expires: 1974-04-14
Abstract
No abstract record available.
Inventors
- 👤 George F Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:52
CPC Classifications
A; A23; A23F; A23F3/00; A23F3/16; A23F3/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A PROCESS, WHICH COMPRISES PREPARING A COLD WATER EXTRACT OF A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF TEA AND MATE TO PRODUCE SUCH EXTRACT AND A FIRST RESIDUE, TREATING SAID FIRST RESIDUE WITH ACIDULATED HOT WATER HAVING A PH OF NOT OVER ABOUT 4 TO PRODUCE A SECOND RESIDUE AND EXTRACT AND TREATING THE SECOND RESIDUE WITH ACIDULATED WATER UNDER HIGH TEMPERATURE AND HIGH STEAM PRESSURE TO PRODUCE A THIRD EXTRACT AND RESIDUE AND COMBINING THE THREE EXTRACTS.
Claim 2
Dependent Claim
79 words
A PROCESS, WHICH COMPRISES PREPARING A COLD WATER EXTRACT OF A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF TEA AND MATE TO PRODUCE SUCH EXTRACT AND A FIRST RESIDUE, TREATING SAID FIRST RESIDUE WITH ACIDULATED HOT WATER HAVING A PH OF NOT OVER ABOUT 4 TO PRODUCE A SECOND RESIDUE AND EXTRACT AND TREATING THE SECOND RESIDUE WITH ACIDULATED WATER UNDER HIGH TEMPERATURE AND HIGH STEAM PRESSURE TO PRODUCE A THIRD EXTRACT AND RESIDUE AND COMBINING THE THREE EXTRACTS.
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) | 1960-03-18 | 1960-09-17 | 1961-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-18 | 1964-09-17 | 1965-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-18 | 1968-09-17 | 1969-03-19 | $7700.00 | Window Closed / Lapsed |