US2712501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of coffee
Assignee: Hexion Inc
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Filing: 1954-04-09
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Granted: 1955-07-05
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Expires: 1974-04-09
Abstract
No abstract record available.
Inventors
- 👤 James F Hale
- 👤 Robert B Nottingham
- 👤 Jr Edward W Pitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:28
CPC Classifications
A; A23; A23F; A23F5/00; A23F5/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
138 words
THE METHOD OF TREATING COFFEE COMPRISING SUBJECTING COFFEE BEAM TO SATURATED STEAM GENERATED FROM MOISTURE OTHER THAN THAT CONTAINED IN THE BEAMS AT A TEMPERATURE WITHIN THE RANGE OF 338* F. TO 435* F. AND AT A PRESSURE WITHIN THE RANGE OF 100 TO 350 POUNDS PER SQUARE INCH GAUGE IN A CLOSED ZONE FOR A PERIOD WITHIN THE RANGE OF 2 TO 15 MINUTES, SIMULATENEOUSLY BLEEDING OFF FROM CLOSED ZONE PART OF THE STEAM AND CONSITUENTS THAT ARE EVOLVED FROM THE BEAM AND ENTRAINED IN THE STEAM, GRADUALLY REDUCING THE PRESSURE IN THE CLOSED ZONE TO ATMOSPHERIC PRESSURE OVER A PERIOD WITHIN THE RANGE OF 30 SECONDS TO 5 MINUTES, SECCESSIVELY GRINDING AND EXTRATING THE PRODUCT OF THE PRECEDING STEP WITH WATER, AND ADJUSTING THE PH OF THE RESULTING EXTRACT WITH A SOLUTION COMPRISING A BASIC COMPOUND.
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) | 1958-07-04 | 1959-01-03 | 1959-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-04 | 1963-01-03 | 1963-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-04 | 1967-01-03 | 1967-07-05 | $7700.00 | Window Closed / Lapsed |