Patent US2992140A successfully refreshed from Google Patents.
US2992140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for removing sugar from raw sugar cane
Assignee: Individual
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Filing: 1958-10-08
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Granted: 1961-07-11
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Expires: 1978-10-08
Abstract
No abstract record available.
Inventors
- 👤 Frank C Gaiennie
- 👤 Billy R Garrard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:11
CPC Classifications
C; C13; C13B; C13B20/00; C13B20/005
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
78 words
THE PROCESS OF REFINING SUGAR FROM SUGAR CANE COMPRISING CRUSHING THE SUGAR CANE STALKS TO REMOVE THE JUICE THEREFROM, LIMITING THE LIQUID FROM THE CRUSHING OPERATION, SUBJECTING THE LIMED LIQUID TO A GRAVITY STRATIFICATION, REFINING THE CLEAR LIQUID FROM THE STRATIFICATION INTO SUGAR CRYSTALS, SUBJECTING THE PRECIPITANT FLUID FROM THE STRATIFICATION TO A VELOCITY SEPARATION WHEREBY FURTHER CLEAR SUGAR LIQUID IS SEPARATED FROM THE PRECIPITATE AND REFINING THE CLEAR LIQUID FROM THE VELOCITY SEPARATION INTO CRYSTALS OF SUGAR.
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) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |