Patent US2576269A successfully refreshed from Google Patents.
US2576269A
Expired / Lapsed
US
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Ball bearing
Assignee: Individual
•
Filing: 1946-01-30
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Granted: 1951-11-27
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Expires: 1966-01-30
Abstract
No abstract record available.
Inventors
- 👤 John B Thomson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:30
CPC Classifications
F; F16; F16C; F16C29/00; F16C29/04; F16C29/06; F16C29/068; F16C29/0683; F16C29/0685; F16C29/0688; F16C29/0692; F16C29/0695; F16C29/0697
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR755957A
Cited
US2452117A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-26 | 1955-05-28 | 1955-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-26 | 1959-05-28 | 1959-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-26 | 1963-05-28 | 1963-11-27 | $7700.00 | Window Closed / Lapsed |