US2908596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous sub-atmospheric diffusion of sugar
Assignee: Individual
•
Filing: 1956-05-07
•
Granted: 1959-10-13
•
Expires: 1976-05-07
Abstract
No abstract record available.
Inventors
- 👤 Joseph P Ruth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 00:30
CPC Classifications
C; C13; C13B; C13B10/00; C13B10/08; C13B10/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
THE METHOD OF SUGAR DIFFUSION WHICH CONSISTS OF MAINTAINING A CONTINUOUS, UNIDIRECTIONAL, GRAVITY-INDUCED FLOW OF WATER THROUGH AN ELEVATED CLOSED GASEOUS REGION OF MAINTAINED SUB-ATMOSPHERIC PRESSURES ABOVE AND IN CONTACT WITH THE FLOW BETWEEN A REGULABLE WATER INLET AND A CONSTANT-LEVEL WATER OUTFLOW BOTH OPEN TO ATMOSPHERE, CONTINUOUSLY FEEDING SUGAR-BEARING MATERIAL TO THE WATER ADJACENT SAID OUTFLOW, TRANSLATING MECHANICALLY THE MA-
Claim 2
Independent Claim
61 words
THE METHOD OF SUGAR DIFFUSION WHICH CONSISTS OF MAINTAINING A CONTINUOUS, UNIDIRECTIONAL, GRAVITY-INDUCED FLOW OF WATER THROUGH AN ELEVATED CLOSED GASEOUS REGION OF MAINTAINED SUB-ATMOSPHERIC PRESSURES ABOVE AND IN CONTACT WITH THE FLOW BETWEEN A REGULABLE WATER INLET AND A CONSTANT-LEVEL WATER OUTFLOW BOTH OPEN TO ATMOSPHERE, CONTINUOUSLY FEEDING SUGAR-BEARING MATERIAL TO THE WATER ADJACENT SAID OUTFLOW, TRANSLATING MECHANICALLY THE MA-
References Cited (Backward Citations)
US706669A
Cited
GB293066A
Cited
US1961420A
Cited
GB445293A
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US2183837A
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US2390131A
Cited
US2698818A
Cited
US2548996A
Cited
US2505716A
Cited
US2602761A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |