Patent US2420530A successfully refreshed from Google Patents.
US2420530A
Expired / Lapsed
US
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Combined implement stabilizing and lifting structure
Assignee: International Motors LLC
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Filing: 1943-12-13
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Granted: 1947-05-13
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Expires: 1963-12-13
Abstract
No abstract record available.
Inventors
- 👤 Arthur G Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:03
CPC Classifications
A; A01; A01B; A01B35/00; A01B35/02; A01B35/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1291177A
Cited
US1831997A
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US1831990A
Cited
DE679027C
Cited
US2330272A
Cited
US2319670A
Cited
US2302502A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-05-12 | 1950-11-11 | 1951-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-05-12 | 1954-11-11 | 1955-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-05-12 | 1958-11-11 | 1959-05-13 | $7700.00 | Window Closed / Lapsed |