Patent US2956844A successfully refreshed from Google Patents.
US2956844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thrust bearing
Assignee: Radio Condenser Co
•
Filing: 1957-10-14
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Granted: 1960-10-18
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Expires: 1977-10-14
Abstract
No abstract record available.
Inventors
- 👤 John R Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:52
CPC Classifications
F; F16; F16C; F16C17/00; F16C17/04; F16C17/08; F16C21/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US442357A
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US640009A
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US1493999A
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US1907792A
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US1895540A
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US2180853A
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US2645078A
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CH302442A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-18 | 1964-04-18 | 1964-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-18 | 1968-04-18 | 1968-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-18 | 1972-04-18 | 1972-10-18 | $7700.00 | Window Closed / Lapsed |