Patent US2543594A successfully refreshed from Google Patents.
US2543594A
Expired / Lapsed
US
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Riding ring for rotary cylinders
Assignee: Traylor Engineering & Manufacturing Co
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Filing: 1947-05-21
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Granted: 1951-02-27
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Expires: 1967-05-21
Abstract
No abstract record available.
Inventors
- 👤 Charles H Patten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:22
CPC Classifications
B; B02; B02C; B02C17/00; B02C17/18; B02C17/181; F; F26; F26B; F26B11/00; F26B11/02; F26B11/022; F27; F27B; F27B7/00; F27B7/20; F27B7/22; F27B7/2206; F27B2007/2213; F27B2007/2226
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) | 1954-02-26 | 1954-08-28 | 1955-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-26 | 1958-08-28 | 1959-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-26 | 1962-08-28 | 1963-02-27 | $7700.00 | Window Closed / Lapsed |