Patent US1294620A successfully refreshed from Google Patents.
US1294620A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protector for the tail-shafts and bearings of ships' propellers.
Assignee: Individual
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Filing: 1918-07-31
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Granted: 1919-02-18
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Expires: 1938-07-31
Abstract
No abstract record available.
Inventors
- 👤 Edward William Clarke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:46
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/3404; F16J15/3408; F16J15/3412; F16J15/342
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1922-02-17 | 1922-08-19 | 1923-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-02-17 | 1926-08-19 | 1927-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-02-17 | 1930-08-19 | 1931-02-18 | $7700.00 | Window Closed / Lapsed |