US2631070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spindle bearing
Assignee: Roulements a Aiguilles SA
•
Filing: 1946-07-12
•
Granted: 1953-03-10
•
Expires: 1966-07-12
Abstract
No abstract record available.
Inventors
- 👤 Pitner Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:15
CPC Classifications
D; D01; D01H; D01H7/00; D01H7/02; D01H7/04; D01H7/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US215142A
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US392912A
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US1124476A
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US1814743A
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US1867081A
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FR725540A
Cited
US2097797A
Cited
US2243146A
Cited
US2207896A
Cited
US2283963A
Cited
US2351951A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-09 | 1956-09-08 | 1957-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-09 | 1960-09-08 | 1961-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-09 | 1964-09-08 | 1965-03-10 | $7700.00 | Window Closed / Lapsed |