Patent US2741440A successfully refreshed from Google Patents.
US2741440A
Expired / Lapsed
US
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Roll centering apparatus
Assignee: Individual
•
Filing: 1953-02-19
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Granted: 1956-04-10
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Expires: 1973-02-19
Abstract
No abstract record available.
Inventors
- 👤 William L Sutherland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:05
CPC Classifications
B; B65; B65H; B65H23/00; B65H23/02; B65H23/032; B65H23/0326; D; D06; D06C; D06C3/00; D06C2700/00; D06C2700/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1886906A
Cited
US1957122A
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US1943981A
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US2037086A
Cited
US2201769A
Cited
US2636692A
Cited
US2534636A
Cited
US2640660A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-10 | 1959-10-10 | 1960-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-10 | 1963-10-10 | 1964-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-10 | 1967-10-10 | 1968-04-10 | $7700.00 | Window Closed / Lapsed |