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US3782902A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for rendering

Assignee: SPX Technologies Inc
•
Filing: 1971-10-07
•
Granted: 1974-01-01
•
Expires: 1991-10-07
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Abstract

Abstract THERE IS PROVIDED AN IMPROVED METHOD AND APPARATUS FOR THE CONTINUOUS RENDERING OF FATTY MATERIALS, WHEREIN THE MATERIALS TO BE RENDERED IS FIRST PASSED THROUGH A KNOWN TYPE OF RENDERING EVAPORATOR FOR SEPARATING FAT AND CRACKLINGS FROM THE RAW MATERIAL. THE MATERIAL IS FED INTO MAINTAINED IN THE RENDERING EVAPORATOR TO AID IN THE REMAINTAINED IN THE RENDERING EVAPORATOR TO AID IN THE REMOVAL OF MOISTURE. THE TREATED MATERIAL IS DISCHARGED IN A CONTINUOUS PROCESS FROM THE RENDERING EVAPORATOR THROUGH A SUITABLE DISCHARGE OUTLET WHICH EXTENDS BELOW THE LIQUID LEVEL IN A HOLDING TANK TO PROVIDE AN AIRLOCK. THE AIRLOCK IS PROVIDED WITH THE DISCHARGE OUTLET FOR PREVENTING THE ENTRY OF AIR INTO THE RENDERING EVAPORATOR THROUGH THE DISCHARGE OUTLET.

Inventors

  • 👤 J Pikel
  • 👤 D Madsen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 01:03
CPC Classifications
C; C11; C11B; C11B1/00; C11B1/12

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-12-31 1977-07-02 1978-01-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-12-31 1981-07-02 1982-01-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-12-31 1985-07-02 1986-01-01 $7700.00 Window Closed / Lapsed

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