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Patent US3053547A successfully refreshed from Google Patents.
US3053547A
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Pivotal sub-frame arrangement for mine tractor
Assignee: Individual
•
Filing: 1960-10-13
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Granted: 1962-09-11
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Expires: 1980-10-13
Abstract
No abstract record available.
Inventors
- 👤 Osborne Charles Vernon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:16
CPC Classifications
B; B62; B62D; B62D7/00; B62D7/06; B62D7/14; B62D7/142; B60; B60K; B60K1/00; B60K1/02; B60K1/04; B60K17/00; B60K17/34; B60K17/356; B60K17/358; B60K2001/001; B60L; B60L2200/00; B60L2200/40; B60L2220/00; B60L2220/50; B60Y; B60Y2200/00; B60Y2200/40; B60Y2200/41; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/64
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1276046A
Cited
US2251584A
Cited
US2692778A
Cited
US2757809A
Cited
US2705647A
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US2944830A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |