US3075756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system for automatically regulating cement kilns and auxiliary apparatus
Assignee: Allis Chalmers Corp
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Filing: 1961-03-16
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Granted: 1963-01-29
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Expires: 1981-03-16
Abstract
No abstract record available.
Inventors
- 👤 David H Gieskieng
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:53
CPC Classifications
F; F27; F27B; F27B7/00; F27B7/20; F27B7/42; F27B7/38; F27B7/383; F27D; F27D21/00; F27D15/00; F27D15/02; F27D15/0206; F27D15/0213; F27D19/00; F27D2019/0028; F27D2019/0059; F27D21/0035; F27D2021/0042
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
IN A CONTROL SYSTEM FOR A KILN AND ITS AUXILIARY APPARATUS, IN COMBINATION, A KILN FOR HEAT TREATING AND DISCHARGING VARIABLE QUANTITIES OF MATERIAL, CONVEYER MEANS ONTO WHICH SAID KILN DISCHARGES VARIABLE QUANTITIES OF SAID MATERIAL FOR CONVEYING, MEANS FOR REGULATING THE CONVEYING SPEED OF SAID CONVEYER, MEANS INCLUDING RADIOACTIVE MEANS FOR MEASURING BED DEPTH AND DENSITY OF SAID MATERIAL ON SAID CONVEYER AND FOR CONTROLLING THE
Claim 2
Dependent Claim
67 words
IN A CONTROL SYSTEM FOR A KILN AND ITS AUXILIARY APPARATUS, IN COMBINATION, A KILN FOR HEAT TREATING AND DISCHARGING VARIABLE QUANTITIES OF MATERIAL, CONVEYER MEANS ONTO WHICH SAID KILN DISCHARGES VARIABLE QUANTITIES OF SAID MATERIAL FOR CONVEYING, MEANS FOR REGULATING THE CONVEYING SPEED OF SAID CONVEYER, MEANS INCLUDING RADIOACTIVE MEANS FOR MEASURING BED DEPTH AND DENSITY OF SAID MATERIAL ON SAID CONVEYER AND FOR CONTROLLING THE
References Cited (Backward Citations)
US2084976A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |