US2661253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Connecting rod end bearing assembly
Assignee: Napier Turbochargers Ltd
•
Filing: 1949-01-13
•
Granted: 1953-12-01
•
Expires: 1969-01-13
Abstract
No abstract record available.
Inventors
- 👤 Barlow Benjamin William
- 👤 Barnes Alfred Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:43
CPC Classifications
F; F16; F16C; F16C9/00; F16C9/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US693782A
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US736458A
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US840190A
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US1036337A
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US1121904A
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US1789714A
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US1756095A
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US1948176A
Cited
GB533564A
Cited
US2343055A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-30 | 1957-06-01 | 1957-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-30 | 1961-06-01 | 1961-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-30 | 1965-06-01 | 1965-12-01 | $7700.00 | Window Closed / Lapsed |