US2901846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Four-wheel drive tractor grader
Assignee: Motors Liquidation Co
•
Filing: 1953-04-22
•
Granted: 1959-09-01
•
Expires: 1973-04-22
Abstract
No abstract record available.
Inventors
- 👤 Arthur P Armington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:14
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/02; B; B60; B60K; B60K17/00; B60K17/34; B60K17/358
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2624131A
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US2625232A
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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) | 1962-08-31 | 1963-03-02 | 1963-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-31 | 1967-03-02 | 1967-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-31 | 1971-03-02 | 1971-09-01 | $7700.00 | Window Closed / Lapsed |