Patent US669192A successfully refreshed from Google Patents.
US669192A
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US
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Dredging apparatus.
Assignee: EGBERT W GILLETT
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Filing: 1898-05-02
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Granted: 1901-03-05
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Expires: 1918-05-02
Abstract
No abstract record available.
Inventors
- 👤 John C Whisler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:53
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/88; E02F3/90; E02F3/92; E02F3/9243; E02F3/925
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) | 1904-03-04 | 1904-09-03 | 1905-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-03-04 | 1908-09-03 | 1909-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-03-04 | 1912-09-03 | 1913-03-05 | $7700.00 | Window Closed / Lapsed |