Patent US2614642A successfully refreshed from Google Patents.
US2614642A
Expired / Lapsed
US
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Tank tread and driving wheel mounting
Assignee: Individual
•
Filing: 1947-08-26
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Granted: 1952-10-21
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Expires: 1967-08-26
Abstract
No abstract record available.
Inventors
- 👤 Charles J Dumais
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:34
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)
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US2011565A
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US2410022A
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US2418186A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-21 | 1956-04-21 | 1956-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-21 | 1960-04-21 | 1960-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-21 | 1964-04-21 | 1964-10-21 | $7700.00 | Window Closed / Lapsed |