US2391002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frame and drawbar structure for crawler tractors
Assignee: International Motors LLC
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Filing: 1944-06-26
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Granted: 1945-12-18
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Expires: 1964-06-26
Abstract
No abstract record available.
Inventors
- 👤 David B Baker
- 👤 William O Bechman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:53
CPC Classifications
B; B62; B62D; B62D55/00; B62D55/08; B62D55/12; B62D55/125
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) | 1948-12-17 | 1949-06-18 | 1949-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-12-17 | 1953-06-18 | 1953-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-12-17 | 1957-06-18 | 1957-12-18 | $7700.00 | Window Closed / Lapsed |