Patent US3332375A successfully refreshed from Google Patents.
US3332375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refuse incinerator
Assignee: Individual
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Filing: 1965-05-11
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Granted: 1967-07-25
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Expires: 1985-05-11
Abstract
No abstract record available.
Inventors
- 👤 Ito Mikio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:18
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)
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 |