Patent US3041750A successfully refreshed from Google Patents.
US3041750A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Excavator mechanism for attachment to a tractor
Assignee: Individual
•
Filing: 1959-08-28
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Granted: 1962-07-03
•
Expires: 1979-08-28
Abstract
No abstract record available.
Inventors
- 👤 Ivan L Garnand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:51
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/18; E02F3/20; E02F3/186
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US245296A
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US317809A
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US992866A
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US1095097A
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US1163643A
Cited
US2364666A
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US2552710A
Cited
DE891333C
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US2940534A
Cited
US2957698A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |