Patent US4974179A successfully refreshed from Google Patents.
Patent US2395634A successfully refreshed from Google Patents.
US2395634A
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US
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Material handling attachment for tractors
Assignee: Individual
•
Filing: 1944-12-05
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Granted: 1946-02-26
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Expires: 1964-12-05
Abstract
No abstract record available.
Inventors
- 👤 Kenneth E Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:07
CPC Classifications
A; A01; A01C; A01C3/00; A01C3/04; B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/12; B66F9/19; E; E02; E02F; E02F3/00; E02F3/04; E02F3/46; E02F3/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-02-25 | 1949-08-27 | 1950-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-02-25 | 1953-08-27 | 1954-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-02-25 | 1957-08-27 | 1958-02-26 | $7700.00 | Window Closed / Lapsed |