US2755150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing for vertical rotary shaft
Assignee: Colorado Iron Works Co
•
Filing: 1953-06-10
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Granted: 1956-07-17
•
Expires: 1973-06-10
Abstract
No abstract record available.
Inventors
- 👤 Robert H Abbott
- 👤 George M Meisel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:06
CPC Classifications
F; F16; F16C; F16C23/00; F16C23/06; F16C23/08; F16C23/082; F16C23/086; F16C19/00; F16C19/22; F16C19/30; F16C27/00; F16C27/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US465009A
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US529853A
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US2173489A
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US2325623A
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US2284446A
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FR896684A
Cited
US2395097A
Cited
US2410340A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-17 | 1960-01-16 | 1960-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-17 | 1964-01-16 | 1964-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-17 | 1968-01-16 | 1968-07-17 | $7700.00 | Window Closed / Lapsed |