Patent US2551774A successfully refreshed from Google Patents.
US2551774A
Expired / Lapsed
US
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Self-aligning rotary kiln
Assignee: Individual
•
Filing: 1948-12-22
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Granted: 1951-05-08
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Expires: 1968-12-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Samuel W Traylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:41
CPC Classifications
F; F27; F27B; F27B7/00; F27B7/20; F27B7/22; F27B2007/2246; F27B2007/2253; F27D; F27D99/00; F27D2099/0085; F27D2099/0091
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) | 1954-05-07 | 1954-11-06 | 1955-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-07 | 1958-11-06 | 1959-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-07 | 1962-11-06 | 1963-05-08 | $7700.00 | Window Closed / Lapsed |