Patent US961306A successfully refreshed from Google Patents.
US961306A
Expired / Lapsed
US
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Apparatus for the propulsion of ships.
Assignee: Individual
•
Filing: 1909-06-11
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Granted: 1910-06-14
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Expires: 1929-06-11
Abstract
No abstract record available.
Inventors
- 👤 Charles Robert Mayhall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:33
CPC Classifications
B; B63; B63H; B63H11/00; B63H11/12; B63H25/00; B63H25/46; F; F02; F02K; F02K1/00; F02K1/002
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) | 1913-06-13 | 1913-12-13 | 1914-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-06-13 | 1917-12-13 | 1918-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-06-13 | 1921-12-13 | 1922-06-14 | $7700.00 | Window Closed / Lapsed |