US2659211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Marine excavator
Assignee: Individual
•
Filing: 1948-07-28
•
Granted: 1953-11-17
•
Expires: 1968-07-28
Abstract
No abstract record available.
Inventors
- 👤 Notarbartolo Pietro
- 👤 Poledrelli Carlo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:06
CPC Classifications
E; E02; E02F; E02F5/00; E02F5/02; E02F5/10; E02F5/104; E02F5/107
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-16 | 1957-05-18 | 1957-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-16 | 1961-05-18 | 1961-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-16 | 1965-05-18 | 1965-11-17 | $7700.00 | Window Closed / Lapsed |