Patent US2951928A successfully refreshed from Google Patents.
US2397910A
Expired / Lapsed
US
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Tractor frame and drive shaft bearing structure therein
Assignee: International Motors LLC
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Filing: 1944-06-26
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Granted: 1946-04-09
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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
2026-10-28 22:33
CPC Classifications
F; F16; F16H; F16H57/00; F16H57/02; F16H57/021; F16H2057/02039; F16H2057/02043; F16H2057/02056; F16H2057/0213; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2186
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) | 1949-04-08 | 1949-10-08 | 1950-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-04-08 | 1953-10-08 | 1954-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-04-08 | 1957-10-08 | 1958-04-09 | $7700.00 | Window Closed / Lapsed |