Patent US3027147A successfully refreshed from Google Patents.
US3027147A
Expired / Lapsed
US
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Circular shaft kiln discharge grate
Assignee: Cameron and Jones Inc
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Filing: 1959-05-06
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Granted: 1962-03-27
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Expires: 1979-05-06
Abstract
No abstract record available.
Inventors
- 👤 Lewis H Brakel
- 👤 Jr John B Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:45
CPC Classifications
F; F27; F27B; F27B1/00; F27B1/10; F27B1/21
Claims Analysis
Total Claims: 0
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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) | 1965-03-26 | 1965-09-25 | 1966-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-26 | 1969-09-25 | 1970-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-26 | 1973-09-25 | 1974-03-27 | $7700.00 | Window Closed / Lapsed |