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US3736235A Expired / Lapsed US ⏱️ 0.0 years remaining

Heater pumps for distilland heating with hot distillate

Assignee: Individual
•
Filing: 1970-12-04
•
Granted: 1973-05-29
•
Expires: 1990-12-04
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Abstract

Abstract A pump pressurizes the heated hot sump distillate in the distillation process, distillate heating with hot distillate, thus leading to the reduction of overhead clearance requirements for the distiller.

Inventors

  • 👤 C Sundquist

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 22:20
CPC Classifications
B; B01; B01D; B01D5/00; B01D5/0027; B01D5/003; B01D1/00; B01D1/06; B01D1/30; B01D5/0033; B01D5/0051; B01D5/0057; B01D5/006; Y; Y10; Y10S; Y10S159/00; Y10S159/17

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) 1976-05-28 1976-11-27 1977-05-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-05-28 1980-11-27 1981-05-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-05-28 1984-11-27 1985-05-29 $7700.00 Window Closed / Lapsed

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