US3130080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crystallizer for sugar and the like
Assignee: ZAVODY VITEZNEHO UNORA
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Filing: 1961-03-08
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Granted: 1964-04-21
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Expires: 1981-03-08
Abstract
No abstract record available.
Inventors
- 👤 Berger Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:25
CPC Classifications
C; C13; C13B; C13B30/00; C13B30/02; C13B30/022; C13B30/023
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A CRYSTALLIZER FOR SUGAR AND THE LIKE, COMPRISING, IN COMBINATION: (A) A VESSEL; (B) A HOLLOW SHAFT ROTATABLE IN SAID VESSEL ABOUT A HORIZONTALLY EXTENDING AXIS AND DEFINING AN AXIAL CAVITY; (C) MEANS FOR ROTATING SAID SHAFT ABOUT SAID AXIS; (D) A PLURALITY OF ELONGATED TUBULAR ELEMENTS, EACH OF SAID ELEMENTS HAVING TWO TERMINAL PORTIONS MOUNTED ON SAID SHAFT, AND A PLURALITY OF HELICAL TURNS INTERMEDIATE SAID PORTIONS, SAID HELICAL TURNS PROJECTING FROM SAID SHAFT IN A COMMON RADIAL DIRECTION; (E) A SOURCE OF HEAT EXCHANGE MEDIUM;
Claim 2
Dependent Claim
87 words
A CRYSTALLIZER FOR SUGAR AND THE LIKE, COMPRISING, IN COMBINATION: (A) A VESSEL; (B) A HOLLOW SHAFT ROTATABLE IN SAID VESSEL ABOUT A HORIZONTALLY EXTENDING AXIS AND DEFINING AN AXIAL CAVITY; (C) MEANS FOR ROTATING SAID SHAFT ABOUT SAID AXIS; (D) A PLURALITY OF ELONGATED TUBULAR ELEMENTS, EACH OF SAID ELEMENTS HAVING TWO TERMINAL PORTIONS MOUNTED ON SAID SHAFT, AND A PLURALITY OF HELICAL TURNS INTERMEDIATE SAID PORTIONS, SAID HELICAL TURNS PROJECTING FROM SAID SHAFT IN A COMMON RADIAL DIRECTION; (E) A SOURCE OF HEAT EXCHANGE MEDIUM;
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) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |