Patent US776050A successfully refreshed from Google Patents.
US776050A
Expired / Lapsed
US
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Dredging device.
Assignee: Individual
•
Filing: 1904-03-09
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Granted: 1904-11-29
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Expires: 1924-03-09
Abstract
No abstract record available.
Inventors
- 👤 Otto Fruehling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:08
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/88; E02F3/8808; E02F3/90; E02F3/92
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) | 1907-11-29 | 1908-05-30 | 1908-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-11-29 | 1912-05-30 | 1912-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-11-29 | 1916-05-30 | 1916-11-29 | $7700.00 | Window Closed / Lapsed |