Patent US2417789A successfully refreshed from Google Patents.
US981361A
Expired / Lapsed
US
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Bow-facing oar.
Assignee: Individual
•
Filing: 1910-02-15
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Granted: 1911-01-10
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Expires: 1930-02-15
Abstract
No abstract record available.
Inventors
- 👤 Rudolf Behr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:28
CPC Classifications
B; B63; B63H; B63H16/00; B63H16/08; B63H16/10; B63H16/102
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) | 1914-01-09 | 1914-07-11 | 1915-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-01-09 | 1918-07-11 | 1919-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-01-09 | 1922-07-11 | 1923-01-10 | $7700.00 | Window Closed / Lapsed |