US2728694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sugar juice clarifier
Assignee: Graver Energy Systems Inc
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Filing: 1952-02-15
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Granted: 1955-12-27
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Expires: 1972-02-15
Abstract
No abstract record available.
Inventors
- 👤 Jalmer E Swanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:23
CPC Classifications
C; C13; C13B; C13B20/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
190 words
IN A SUGAR CLARIFIER, A TANK COMPRISING A PAIR OF SIDE WALLS OPPOSITE ONE ANOTHER AND A PAIR OF END WALLS INTERCONNECTING THE SIDE WALLS, THE END WALL BEING SUBSTANTIALLY VERTICALL WHILE AT LEAST MAJOR LOWER PARTS OF THE SIDE WALLS CONVERGE DOWNWARDLY WITH SUFFICEINT SLOPE TO FORCE GRAVITATIONAL FLOW OF MUD, THEREBY FORMING A NARROW, ELONGATED MUD ZONE BETWEEN THE LOWER ENDS OF THE WALLS; PARTITION MEANS EXTENDING FROM THE TOP TO THE TANK INTO THE MUD ZONE AND HAVING A LONG BOTTOM EDGE IN THE MUD ZONE GENERALLY PARALLEL WITH THE ELONGATION OF THAT ZONE, SO THAT THE PARTITION MEANS SEPARATES A GENERALLY NARROW SKIMMING AND FLOCCULATION ZONE FROM A GENERALLY WIDE, UPWARDLY EXPANDING REACTION AND CLARIFICATION ZONE, WHILE ALLOWING COMMUNICATION BETWEEN THESE ZONE, THROUGH THE MUD ZONE SUBSTANTIALLY THROUGHOUT THE HORIZONTAL EXTENSION OF THE LATTER; INLET MEANS FOR SUGAR JUICE TO BE CLARIFIED, IN AN UPPER PART OF THE SKIMMING AND FLOCCULATION ZONE; OUTLET MEANS FOR CLARIFIED SUGAR JUICE AT THE TOP OF THE REACTION AND CLARIFICATION ZONE; AND MEANS TO SHIFT MUD SUBSTANTIALLY HORIZONTALLY ALONG THE BOTTOM OF THE MUD ZONE AND OUT OF THE TANK.
Claim 2
Dependent Claim
190 words
IN A SUGAR CLARIFIER, A TANK COMPRISING A PAIR OF SIDE WALLS OPPOSITE ONE ANOTHER AND A PAIR OF END WALLS INTERCONNECTING THE SIDE WALLS, THE END WALL BEING SUBSTANTIALLY VERTICALL WHILE AT LEAST MAJOR LOWER PARTS OF THE SIDE WALLS CONVERGE DOWNWARDLY WITH SUFFICEINT SLOPE TO FORCE GRAVITATIONAL FLOW OF MUD, THEREBY FORMING A NARROW, ELONGATED MUD ZONE BETWEEN THE LOWER ENDS OF THE WALLS; PARTITION MEANS EXTENDING FROM THE TOP TO THE TANK INTO THE MUD ZONE AND HAVING A LONG BOTTOM EDGE IN THE MUD ZONE GENERALLY PARALLEL WITH THE ELONGATION OF THAT ZONE, SO THAT THE PARTITION MEANS SEPARATES A GENERALLY NARROW SKIMMING AND FLOCCULATION ZONE FROM A GENERALLY WIDE, UPWARDLY EXPANDING REACTION AND CLARIFICATION ZONE, WHILE ALLOWING COMMUNICATION BETWEEN THESE ZONE, THROUGH THE MUD ZONE SUBSTANTIALLY THROUGHOUT THE HORIZONTAL EXTENSION OF THE LATTER; INLET MEANS FOR SUGAR JUICE TO BE CLARIFIED, IN AN UPPER PART OF THE SKIMMING AND FLOCCULATION ZONE; OUTLET MEANS FOR CLARIFIED SUGAR JUICE AT THE TOP OF THE REACTION AND CLARIFICATION ZONE; AND MEANS TO SHIFT MUD SUBSTANTIALLY HORIZONTALLY ALONG THE BOTTOM OF THE MUD ZONE AND OUT OF THE TANK.
References Cited (Backward Citations)
US518238A
Cited
US655338A
Cited
US784450A
Cited
US1135997A
Cited
US1665167A
Cited
US1459921A
Cited
GB217854A
Cited
US1793510A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-26 | 1959-06-27 | 1959-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-26 | 1963-06-27 | 1963-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-26 | 1967-06-27 | 1967-12-27 | $7700.00 | Window Closed / Lapsed |