US3374029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trailer construction
Assignee: Individual
•
Filing: 1965-10-14
•
Granted: 1968-03-19
•
Expires: 1985-10-14
Abstract
No abstract record available.
Inventors
- 👤 Joseph K Barker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 05:45
CPC Classifications
B; B60; B60J; B60J7/00; B60J7/08; B60J7/10; B60J7/102; B62; B62D; B62D53/00; B62D53/04; B62D53/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE404213C
Cited
US993890A
Cited
US1184129A
Cited
US1572029A
Cited
US2324508A
Cited
US2365940A
Cited
US2731292A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-19 | 1971-09-18 | 1972-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-19 | 1975-09-18 | 1976-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-19 | 1979-09-18 | 1980-03-19 | $7700.00 | Window Closed / Lapsed |