Patent US2648577A successfully refreshed from Google Patents.
US2648577A
Expired / Lapsed
US
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Mounting of ball bearing
Assignee: Individual
•
Filing: 1948-11-23
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Granted: 1953-08-11
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Expires: 1968-11-23
Abstract
No abstract record available.
Inventors
- 👤 Watt Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:07
CPC Classifications
F; F16; F16C; F16C27/00; F16C27/06; F16C27/066; F16C19/00; F16C19/02; F16C19/04; F16C19/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1598157A
Cited
US1603671A
Cited
US1757539A
Cited
US2070081A
Cited
GB528648A
Cited
US2329901A
Cited
US2365875A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-10 | 1957-02-09 | 1957-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-10 | 1961-02-09 | 1961-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-10 | 1965-02-09 | 1965-08-11 | $7700.00 | Window Closed / Lapsed |