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US3605654A Expired / Lapsed US ⏱️ 0.0 years remaining

Thermal duct recirculating incinerator

Assignee: Individual
•
Filing: 1970-05-04
•
Granted: 1971-09-20
•
Expires: 1990-05-04
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Abstract

Abstract AN INCENERATOR FOR DESTROYING WASTER MATERIAL HAVING A RECIRCULATING DUCT THT MAINTAINS A HIGH TEMPERATURE CAUSING FLY ASH SPIN OUT AND COMPLETE OXIDATION OF RESIDUAL MATTER, MAINTAINING THE HIGH TEMPERATURE OF THE FLUE STREAM TO POINT OF EXIT.

Inventors

  • 👤 Henry L Bowles Jr

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 22:17
CPC Classifications
F; F23; F23G; F23G5/00; F23G5/08; F23G5/14; F23G5/18

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) 1974-09-19 1975-03-21 1975-09-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-09-19 1979-03-21 1979-09-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-09-19 1983-03-21 1983-09-20 $7700.00 Window Closed / Lapsed

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