Patent US2325690A successfully refreshed from Google Patents.
US2325690A
Expired / Lapsed
US
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Driving apparatus for crawler type vehicles
Assignee: Goodrich Corp
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Filing: 1941-05-31
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Granted: 1943-08-03
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Expires: 1961-05-31
Abstract
No abstract record available.
Inventors
- 👤 Charles W Leguillon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:51
CPC Classifications
B; B62; B62D; B62D55/00; B62D55/08; B62D55/18; B62D55/24; B62D55/253
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) | 1946-08-02 | 1947-02-01 | 1947-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-08-02 | 1951-02-01 | 1951-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-08-02 | 1955-02-01 | 1955-08-03 | $7700.00 | Window Closed / Lapsed |