Patent US2038010A successfully refreshed from Google Patents.
US2038010A
Expired / Lapsed
US
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Ball bearing
Assignee: FEDERAL BEARINGS CO Inc
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Filing: 1934-11-20
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Granted: 1936-04-21
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Expires: 1954-11-20
Abstract
No abstract record available.
Inventors
- 👤 William F Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:40
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/76; F16C33/78; F16C33/784; F16C33/7843; F16C33/30; F16C33/38; F16C33/41; F16C33/412; F16C33/414; F16C19/00; F16C19/02; F16C19/04; F16C19/06; F16C33/66; F16C33/6637; F16C33/664; F16C33/6648
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1939-04-21 | 1939-10-21 | 1940-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-04-21 | 1943-10-21 | 1944-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-04-21 | 1947-10-21 | 1948-04-21 | $7700.00 | Window Closed / Lapsed |