US987794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bow-facing manually-operated boat-propelling apparatus.
Assignee: S H NEWTON
•
Filing: 1910-09-24
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Granted: 1911-03-28
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Expires: 1930-09-24
Abstract
No abstract record available.
Inventors
- 👤 Alfred G Chaudron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:07
CPC Classifications
B; B63; B63H; B63H1/00; B63H1/30
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) | 1914-03-27 | 1914-09-26 | 1915-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-03-27 | 1918-09-26 | 1919-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-03-27 | 1922-09-26 | 1923-03-28 | $7700.00 | Window Closed / Lapsed |