US2774263A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rolling mill
Assignee: SKF AB
•
Filing: 1952-08-07
•
Granted: 1956-12-18
•
Expires: 1972-08-07
Abstract
No abstract record available.
Inventors
- 👤 Leufven Axel Gustav Edvard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:58
CPC Classifications
B; B21; B21B; B21B31/00; B21B31/16; B21B31/20; B21B31/22; B21B31/26; B21B31/02; B21B31/04; B21B31/18; B21B2203/00; B21B2203/36; B21B2273/00; B21B2273/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US223029A
Cited
US260174A
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US285567A
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US467512A
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US595572A
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US679413A
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US1636057A
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US1773737A
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US1846175A
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US1900032A
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US2054712A
Cited
DE705907C
Cited
US2363656A
Cited
US2506681A
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US2599414A
Cited
GB625557A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-18 | 1960-06-18 | 1960-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-18 | 1964-06-18 | 1964-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-18 | 1968-06-18 | 1968-12-18 | $7700.00 | Window Closed / Lapsed |