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US3765143A Expired / Lapsed US ⏱️ 0.0 years remaining

Compacting system and method of compacting

Assignee: ENVIRONMENTAL POLLUTION RES CO
•
Filing: 1971-08-13
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Granted: 1973-10-16
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Expires: 1991-08-13
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Abstract

Abstract A CONTAINER IS LOCATED BELOW A REFUSE CHUTE AND A GATE IN THE CHUTE IS OPENED TO ALLOW REFUSE TO DISCHARGE FROM THE CHUTE INTO THE CONTAINER AND THE GATE IS CLOSED AFTER A PREDETERMINED TIME. THE CONTAINER IS THEN MOVED TO A COMPACTING STATION WHEREIN THE REFUSE CONTAINER IS COMPACTED. IF THE COMPACTED REFUSE IS BELOW A PREDETERMINED LEVEL IN THE CONTAINER, THE CONTAINER IS MOVED BACK BELOW THE CHUTE AND THE GATE OPENED TO ALLOW FURTHER REFUSE TO FALL WITHIN THE CONTAINER. THIS PROCEDURE IS REPEATED UNTIL THE LEVEL OF THE COMPACTED REFUSE IN THE CONTAINER REACHES A PREDETERMINED LEVEL. THEN THE FULL CONTAINER IS EJECTED FROM THE SYSTEM, AN EMPTY CONTAINER IS MOVED BELOW THE CHUTE AND THE GATE IS OPENED AS ABOVE TO ALLOW FURTHER REFUSE TO FALL IN THE EMPTY CONTAINER. D R A W I N G

Inventors

  • 👤 A Ippolito
  • 👤 W Ma

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 01:10
CPC Classifications
F; F23; F23G; F23G5/00; F23G5/44; F23G5/442; F23G5/448; B; B30; B30B; B30B9/00; B30B9/30; B30B9/3003; B30B9/3007

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-10-15 1977-04-16 1977-10-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-10-15 1981-04-16 1981-10-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-10-15 1985-04-16 1985-10-16 $7700.00 Window Closed / Lapsed

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