US2853387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coffee concentrate and process of producing same
Assignee: Hills Bros Coffee Inc
•
Filing: 1951-07-14
•
Granted: 1958-09-23
•
Expires: 1971-07-14
Abstract
No abstract record available.
Inventors
- 👤 Nutting Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:05
CPC Classifications
A; A23; A23F; A23F5/00; A23F5/46; A23F5/48; A23F5/486
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A PROCESS OF PREPARING A DRY COFFEE CONCENTATTE WITH RESTORED VOLATILE FLAVORING CONSTITUENTS, INCLUDING THE STEPS OF INTRODUCING STEAM INTO THE GROUND ROASTED COFFEE TO WET AND TO LIBERATE THE VOLATILE CONSISTUENTS THEREOF, CONDENSING THE STEAN AND VOLATILES MIXTURE TO FORM AN EXTRACT OF THE VOLATILE CONSISTUENTS OF THE COFFEE, NEUTRALIZING THE EXTRACT OF THE VOLATILE CONSISTUENTS OF THE COFFEE, EXTRACTING THE VOLATILE CONSISTUENTS OF THE COFFEE WITH A SOLVENT TO REMOVE THE WATER THEREFROM, SUBSEQUENTLY TREATING THE GROUND ROASTED COFFEE WITH WATER TO FORM AN AQUEOUS EXTRACTION, CONCENTRATING THE AQUEOUS EXTRACTION TO REDUCE THE WATER CONTENT THEREOF, DRYING TEH CONCENTRATED AQUEOUS EXTRACTION AND THEN MIXING THE SOLVENT EXTRACTION WITH THE DRY AQUEOUS EXTRACTION, AND THEN REMOVING THE SOLVENT FROM THE MIXTURE.
Claim 2
Dependent Claim
122 words
A PROCESS OF PREPARING A DRY COFFEE CONCENTATTE WITH RESTORED VOLATILE FLAVORING CONSTITUENTS, INCLUDING THE STEPS OF INTRODUCING STEAM INTO THE GROUND ROASTED COFFEE TO WET AND TO LIBERATE THE VOLATILE CONSISTUENTS THEREOF, CONDENSING THE STEAN AND VOLATILES MIXTURE TO FORM AN EXTRACT OF THE VOLATILE CONSISTUENTS OF THE COFFEE, NEUTRALIZING THE EXTRACT OF THE VOLATILE CONSISTUENTS OF THE COFFEE, EXTRACTING THE VOLATILE CONSISTUENTS OF THE COFFEE WITH A SOLVENT TO REMOVE THE WATER THEREFROM, SUBSEQUENTLY TREATING THE GROUND ROASTED COFFEE WITH WATER TO FORM AN AQUEOUS EXTRACTION, CONCENTRATING THE AQUEOUS EXTRACTION TO REDUCE THE WATER CONTENT THEREOF, DRYING TEH CONCENTRATED AQUEOUS EXTRACTION AND THEN MIXING THE SOLVENT EXTRACTION WITH THE DRY AQUEOUS EXTRACTION, AND THEN REMOVING THE SOLVENT FROM THE MIXTURE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |