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Patent US975726A successfully refreshed from Google Patents.
US975726A
Expired / Lapsed
US
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Tide-motor.
Assignee: Individual
•
Filing: 1909-06-23
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Granted: 1910-11-15
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Expires: 1929-06-23
Abstract
No abstract record available.
Inventors
- 👤 Eliel L Sharpneck
- 👤 Matthew C Sharpneck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:40
CPC Classifications
F; F03; F03B; F03B13/00; F03B13/12; F03B13/26; F03B13/264; F03B17/00; F03B17/02; Y; Y02; Y02E; Y02E10/00; Y02E10/20; Y02E10/30
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) | 1913-11-14 | 1914-05-16 | 1914-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-11-14 | 1918-05-16 | 1918-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-11-14 | 1922-05-16 | 1922-11-15 | $7700.00 | Window Closed / Lapsed |