Patent US2968490A successfully refreshed from Google Patents.
US2968490A
Expired / Lapsed
US
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Demountable running gear
Assignee: FRED S GICHNER IRON WORKS Inc
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Filing: 1958-07-08
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Granted: 1961-01-17
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Expires: 1978-07-08
Abstract
No abstract record available.
Inventors
- 👤 Donald E Baus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:10
CPC Classifications
B; B62; B62D; B62D63/00; B62D63/06; B62D63/061; B60; B60P; B60P7/00; B60P7/06; B60P7/13; B62D53/00; B62D53/04; B62D53/08; B62D53/0857; B62D53/0864
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1693700A
Cited
US2116825A
Cited
US2200504A
Cited
DE872432C
Cited
US2521819A
Cited
US2785814A
Cited
US2798729A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-17 | 1964-07-18 | 1965-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-17 | 1968-07-18 | 1969-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-17 | 1972-07-18 | 1973-01-17 | $7700.00 | Window Closed / Lapsed |