Patent US3420548A successfully refreshed from Google Patents.
US3420548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control device for stabilizing articulated vehicles
Assignee: Mather Co
•
Filing: 1966-10-07
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Granted: 1969-01-07
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Expires: 1986-10-07
Abstract
No abstract record available.
Inventors
- 👤 Clifford M Wakeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:36
CPC Classifications
B; B62; B62D; B62D53/00; B62D53/04; B62D53/08; B62D53/0871; B62D53/0878
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1652254A
Cited
US2170898A
Cited
US2379170A
Cited
US2709088A
Cited
US3036845A
Cited
US3136566A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-07 | 1972-07-08 | 1973-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-07 | 1976-07-08 | 1977-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-07 | 1980-07-08 | 1981-01-07 | $7700.00 | Window Closed / Lapsed |