US2678855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-lubricating shaft bearing
Assignee: Hansen Manufacturing Co Inc
•
Filing: 1951-03-15
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Granted: 1954-05-18
•
Expires: 1971-03-15
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry Geyer Manson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:01
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10; F16C33/1025; F16C33/103; F16C2380/00; F16C2380/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US21474A
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US301412A
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GB268034A
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GB440825A
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DE663245C
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US2219388A
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US2227307A
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US2494023A
Cited
US2549659A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-17 | 1957-11-16 | 1958-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-17 | 1961-11-16 | 1962-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-17 | 1965-11-16 | 1966-05-18 | $7700.00 | Window Closed / Lapsed |