Patent US6643697B1 successfully refreshed from Google Patents.
US692815A
Expired / Lapsed
US
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Mouthpiece for suction-dredges.
Assignee: Individual
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Filing: 1900-07-19
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Granted: 1902-02-11
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Expires: 1920-07-19
Abstract
No abstract record available.
Inventors
- 👤 Lindon Wallace Bates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:52
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/88; E02F3/90; E02F3/92; E02F3/9256; E02F3/9262
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) | 1905-02-10 | 1905-08-12 | 1906-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-02-10 | 1909-08-12 | 1910-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-02-10 | 1913-08-12 | 1914-02-11 | $7700.00 | Window Closed / Lapsed |