US649065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Propeller for ships.
Assignee: Individual
•
Filing: 1900-01-22
•
Granted: 1900-05-08
•
Expires: 1920-01-22
Abstract
No abstract record available.
Inventors
- 👤 Daniel George Martens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:06
CPC Classifications
F; F04; F04D; F04D3/00
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) | 1903-05-08 | 1903-11-07 | 1904-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-05-08 | 1907-11-07 | 1908-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-05-08 | 1911-11-07 | 1912-05-08 | $7700.00 | Window Closed / Lapsed |