Patent US826993A successfully refreshed from Google Patents.
US826993A
Expired / Lapsed
US
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Dredging-machine.
Assignee: Individual
•
Filing: 1906-03-06
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Granted: 1906-07-24
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Expires: 1926-03-06
Abstract
No abstract record available.
Inventors
- 👤 Louis Coiseau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:59
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/88; E02F3/90; E02F3/92; E02F3/9212; E02F3/9225; E02F3/9237
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) | 1909-07-23 | 1910-01-22 | 1910-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-07-23 | 1914-01-22 | 1914-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-07-23 | 1918-01-22 | 1918-07-24 | $7700.00 | Window Closed / Lapsed |