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US775255A
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Means for dredging.
Assignee: CATHERINE B SEWALL
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Filing: 1903-07-09
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Granted: 1904-11-15
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Expires: 1923-07-09
Abstract
No abstract record available.
Inventors
- 👤 Robert H F Sewall
- 👤 Nicholas H Sewall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:11
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/88; E02F3/90; E02F3/92; E02F3/9212; E02F3/9225; E02F3/9231; Y; Y10; Y10T; Y10T137/00; Y10T137/2713; Y10T137/2842; Y10T137/2877; Y10T137/402
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) | 1907-11-15 | 1908-05-16 | 1908-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-11-15 | 1912-05-16 | 1912-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-11-15 | 1916-05-16 | 1916-11-15 | $7700.00 | Window Closed / Lapsed |