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US2728694A Expired / Lapsed US ⏱️ 0.0 years remaining

Sugar juice clarifier

Assignee: Graver Energy Systems Inc
•
Filing: 1952-02-15
•
Granted: 1955-12-27
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Expires: 1972-02-15
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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

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