Patent US792796A successfully refreshed from Google Patents.
US792796A
Expired / Lapsed
US
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Dredging device.
Assignee: Individual
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Filing: 1904-04-30
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Granted: 1905-06-20
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Expires: 1924-04-30
Abstract
No abstract record available.
Inventors
- 👤 Joseph Lyons Searfoss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:01
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/40; E02F3/413; E02F3/4131
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) | 1908-06-19 | 1908-12-19 | 1909-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-06-19 | 1912-12-19 | 1913-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-06-19 | 1916-12-19 | 1917-06-20 | $7700.00 | Window Closed / Lapsed |