US2468378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulically operated loader attachment for tractors
Assignee: OTTAWA STEEL PRODUCTS Inc
•
Filing: 1947-03-19
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Granted: 1949-04-26
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Expires: 1967-03-19
Abstract
No abstract record available.
Inventors
- 👤 Emory J Scofield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:47
CPC Classifications
A; A01; A01D; A01D87/00; A01D87/08; B; B66; B66C; B66C23/00; B66C23/18; B66C23/36; B66C23/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US975849A
Cited
US2020938A
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US2372870A
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US2348899A
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US2323605A
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US2391224A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-25 | 1952-10-25 | 1953-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-25 | 1956-10-25 | 1957-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-25 | 1960-10-25 | 1961-04-26 | $7700.00 | Window Closed / Lapsed |