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US3332375A Expired / Lapsed US ⏱️ 0.0 years remaining

Refuse incinerator

Assignee: Individual
•
Filing: 1965-05-11
•
Granted: 1967-07-25
•
Expires: 1985-05-11
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Abstract

No abstract record available.

Inventors

  • 👤 Ito Mikio

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 15:06
CPC Classifications
F; F23; F23G; F23G5/00; F23G5/02; F23G5/04; F23G5/05

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 114 words
A REFUSE INCINERATOR, HAVING A BURNING CHAMBER AND A DRYING CHAMBER ABOVE, AND BEING AT ITS BOTTOM IN COMMUNICATION WITH, SAID BURNING CHAMBER, AND A GRATE IN SAID DRYING CHAMBER CONSISTING OF A PLURALITY OF RELATIVELY FLAT OBLONG BLADES WITH A LONGITUDINAL CENTER AXIS, AND MEANS MOUNTING SAID BLADES FOR ROTATION ABOUT THEIR RESPECTIVE AXES IN SUCH STEPPED RELATION TO EACH OTHER THAT IN ONE RELATIVE POSITION OF SAID BLADES THEY FORM AN ASCENDING STAIRCASE IN WHICH SUCCESSIVE BLADES FORM RISERS AND TREADS WITH THE LOWEST TREAD BEING SUBSTANTIALLY AT THE BOTTOM OF SAID DRYING CHAMBER, MEANS FOR TURNING SUCCESSIVE ONES OF SAID BLADES IN CERTAIN OPPOSITE DIRECTIONS WHEREBY REFUSE IS PROGRESSIVELY WORKED DOWNWARDLY
Claim 2
Dependent Claim 114 words
A REFUSE INCINERATOR, HAVING A BURNING CHAMBER AND A DRYING CHAMBER ABOVE, AND BEING AT ITS BOTTOM IN COMMUNICATION WITH, SAID BURNING CHAMBER, AND A GRATE IN SAID DRYING CHAMBER CONSISTING OF A PLURALITY OF RELATIVELY FLAT OBLONG BLADES WITH A LONGITUDINAL CENTER AXIS, AND MEANS MOUNTING SAID BLADES FOR ROTATION ABOUT THEIR RESPECTIVE AXES IN SUCH STEPPED RELATION TO EACH OTHER THAT IN ONE RELATIVE POSITION OF SAID BLADES THEY FORM AN ASCENDING STAIRCASE IN WHICH SUCCESSIVE BLADES FORM RISERS AND TREADS WITH THE LOWEST TREAD BEING SUBSTANTIALLY AT THE BOTTOM OF SAID DRYING CHAMBER, MEANS FOR TURNING SUCCESSIVE ONES OF SAID BLADES IN CERTAIN OPPOSITE DIRECTIONS WHEREBY REFUSE IS PROGRESSIVELY WORKED DOWNWARDLY

References Cited (Backward Citations)

GB290497A Cited
US2269273A Cited
DE930703C Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-07-24 1971-01-23 1971-07-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-07-24 1975-01-23 1975-07-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-07-24 1979-01-23 1979-07-25 $7700.00 Window Closed / Lapsed

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