US2674140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable thrust bearing for accurately positioning one of two grooved mill rolls
Assignee: Blaw Knox Co
•
Filing: 1947-10-23
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Granted: 1954-04-06
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Expires: 1967-10-23
Abstract
No abstract record available.
Inventors
- 👤 Oscar A Eger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:01
CPC Classifications
F; F16; F16C; F16C23/00; F16C23/06; B; B21; B21B; B21B31/00; B21B31/16; B21B31/18; B21B13/00; B21B2013/006; B21B2273/00; B21B2273/22; F16C2322/00; F16C2322/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1337882A
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US1839497A
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US1936672A
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US2155747A
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US2178628A
Cited
US2184463A
Cited
US2200837A
Cited
US2335800A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |