Patent US2835994A successfully refreshed from Google Patents.
Patent US4101076A successfully refreshed from Google Patents.
US708658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dredge.
Assignee: Individual
•
Filing: 1902-03-18
•
Granted: 1902-09-09
•
Expires: 1922-03-18
Abstract
No abstract record available.
Inventors
- 👤 Ralph R Osgood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:51
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/30; E02F3/304
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1905-09-08 | 1906-03-10 | 1906-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-09-08 | 1910-03-10 | 1910-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-09-08 | 1914-03-10 | 1914-09-09 | $7700.00 | Window Closed / Lapsed |