Patent US3097833A successfully refreshed from Google Patents.
US3097833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary reaction kiln
Assignee: Scottish Agricultural Industries Ltd
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Filing: 1961-03-17
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Granted: 1963-07-16
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Expires: 1981-03-17
Abstract
No abstract record available.
Inventors
- 👤 Harris Frederick John
- 👤 Boughey George Ellis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:44
CPC Classifications
F; F27; F27B; F27B7/00; F27B7/02; F27B7/04; F27B2007/025; F27B2007/043; F27B2007/045; F27B7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
KILN FOR REACTING A SOLID MATERIAL WITH A REACTANT TO PROVIDE AN UNCONTAMINATED GASEOUS PRODUCT OR THE LIKE, COMPRISING: A FIRST DRUM ROTATABLY MOUNTED ON A SUBSTANTIALLY HORIZONTAL AXIS; A SECOND DRUM MOUNTED WITHIN SAID FIRST DRUM IN GENERALLY CONCENTRIC RELATIONSHIP; STATIONERY CLOSURE PLATES ASSOCIATED WITH BOTH ENDS OF SAID INNER DRUM AND WITH AT LEAST ONE END OF SAID OUTER DRUM; MEANS ASSOCIATED WITH THE STATIONARY PLATES OF SAID INNER DRUM FOR PROVIDING A TRANSFER OF SOLIDS BETWEEN SAID INNER DRUM AND SAID OUTER DRUM DURING ROTATION THEREOF WHILE PROVIDING A SEAL BETWEEN THE ATMOSPHERES OF SAID INNER IN COOPERATION WITH THE SOLIDS BEING TRANSFERRED; MEANS FOR INTRODUCING REACTANT INTO ONE OF SAID DRUMS; AND DUCT MEANS FOR EXHAUSTING GAS FROM SAID OUTER DRUM; AND DUCT MEANS FIXED TO ADJACENT STATIONARY PLATES OF SAID INNER AND OUTER DRUM FOR EXHAUSTING GAS FROM SAID INNER DRUM.
Claim 2
Dependent Claim
146 words
KILN FOR REACTING A SOLID MATERIAL WITH A REACTANT TO PROVIDE AN UNCONTAMINATED GASEOUS PRODUCT OR THE LIKE, COMPRISING: A FIRST DRUM ROTATABLY MOUNTED ON A SUBSTANTIALLY HORIZONTAL AXIS; A SECOND DRUM MOUNTED WITHIN SAID FIRST DRUM IN GENERALLY CONCENTRIC RELATIONSHIP; STATIONERY CLOSURE PLATES ASSOCIATED WITH BOTH ENDS OF SAID INNER DRUM AND WITH AT LEAST ONE END OF SAID OUTER DRUM; MEANS ASSOCIATED WITH THE STATIONARY PLATES OF SAID INNER DRUM FOR PROVIDING A TRANSFER OF SOLIDS BETWEEN SAID INNER DRUM AND SAID OUTER DRUM DURING ROTATION THEREOF WHILE PROVIDING A SEAL BETWEEN THE ATMOSPHERES OF SAID INNER IN COOPERATION WITH THE SOLIDS BEING TRANSFERRED; MEANS FOR INTRODUCING REACTANT INTO ONE OF SAID DRUMS; AND DUCT MEANS FOR EXHAUSTING GAS FROM SAID OUTER DRUM; AND DUCT MEANS FIXED TO ADJACENT STATIONARY PLATES OF SAID INNER AND OUTER DRUM FOR EXHAUSTING GAS FROM SAID INNER DRUM.
References Cited (Backward Citations)
US1039812A
Cited
US2004334A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |