US2786285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Land leveling machine
Assignee: Individual
•
Filing: 1951-12-20
•
Granted: 1957-03-26
•
Expires: 1971-12-20
Abstract
No abstract record available.
Inventors
- 👤 Laurel B Lindbeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:09
CPC Classifications
A; A01; A01B; A01B31/00; E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/7663
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1590702A
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US1777487A
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US2002431A
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US2021660A
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US2349130A
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US2208526A
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US2325025A
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US2283744A
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US2351830A
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US2422530A
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US2595289A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-25 | 1960-09-24 | 1961-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-25 | 1964-09-24 | 1965-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-25 | 1968-09-24 | 1969-03-26 | $7700.00 | Window Closed / Lapsed |