Patent US3391950A successfully refreshed from Google Patents.
US3391950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle coupling systems
Assignee: Individual
•
Filing: 1966-02-24
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Granted: 1968-07-09
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Expires: 1986-02-24
Abstract
No abstract record available.
Inventors
- 👤 Carter Mary Fay
- 👤 Wallace R Navarre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:08
CPC Classifications
B; B62; B62D; B62D53/00; B62D53/04; B62D53/08; B62D53/12; B62D53/125
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2092115A
Cited
US2667365A
Cited
US2623753A
Cited
US2859980A
Cited
US2998267A
Cited
US2852273A
Cited
US3181887A
Cited
US3165335A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |