US2593822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oar assembly
Assignee: Individual
•
Filing: 1946-09-09
•
Granted: 1952-04-22
•
Expires: 1966-09-09
Abstract
No abstract record available.
Inventors
- 👤 Arnold R Wendt
- 👤 Kosten Johannes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:00
CPC Classifications
B; B63; B63H; B63H16/00; B63H16/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2444683A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |