Patent US2861362A successfully refreshed from Google Patents.
US2861362A
Expired / Lapsed
US
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Digger tooth construction
Assignee: Individual
•
Filing: 1956-05-31
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Granted: 1958-11-25
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Expires: 1976-05-31
Abstract
No abstract record available.
Inventors
- 👤 Liard Maurice
- 👤 Liard Lionel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 17:13
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/28; E02F9/2808; E02F9/2816; E02F9/2833; E02F9/2841
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1174331A
Cited
US1868247A
Cited
US2325991A
Cited
US2576225A
Cited
US2635366A
Cited
US2472892A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-24 | 1962-05-26 | 1962-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-24 | 1966-05-26 | 1966-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-24 | 1970-05-26 | 1970-11-25 | $7700.00 | Window Closed / Lapsed |