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Patent US2774496A successfully refreshed from Google Patents.
US2774496A
Expired / Lapsed
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Tractor mounted high lift loader
Assignee: OTTAWA STEEL Inc
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Filing: 1955-08-03
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Granted: 1956-12-18
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Expires: 1975-08-03
Abstract
No abstract record available.
Inventors
- 👤 Evan E Dorkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:06
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/34; E02F3/3405
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2593500A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-18 | 1960-06-18 | 1960-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-18 | 1964-06-18 | 1964-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-18 | 1968-06-18 | 1968-12-18 | $7700.00 | Window Closed / Lapsed |