US2840425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Split sleeve bearing
Assignee: Individual
•
Filing: 1954-01-07
•
Granted: 1958-06-24
•
Expires: 1974-01-07
Abstract
No abstract record available.
Inventors
- 👤 Kenneth L Howell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:12
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US77261A
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US625448A
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US701636A
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US947265A
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US963248A
Cited
US1285397A
Cited
US1389127A
Cited
US2028556A
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US2156848A
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US2165916A
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US2326268A
Cited
US2547633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-23 | 1961-12-23 | 1962-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-23 | 1965-12-23 | 1966-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-23 | 1969-12-23 | 1970-06-24 | $7700.00 | Window Closed / Lapsed |