US2467619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soil and like cutting and lifting machine
Assignee: Individual
•
Filing: 1944-12-07
•
Granted: 1949-04-19
•
Expires: 1964-12-07
Abstract
No abstract record available.
Inventors
- 👤 Griffith Edward Noel
- 👤 Howard Arthur Clifford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:00
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/18; E02F3/20; E02F3/181
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1148954A
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US1346679A
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US1662832A
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US1736661A
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US1766456A
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US1754699A
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US1805951A
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US2353094A
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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) | 1952-04-18 | 1952-10-18 | 1953-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-18 | 1956-10-18 | 1957-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-18 | 1960-10-18 | 1961-04-19 | $7700.00 | Window Closed / Lapsed |