US3420390A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transfer trailer drawbar device
Assignee: Challenge Cook Bros Inc
•
Filing: 1966-06-23
•
Granted: 1969-01-07
•
Expires: 1986-06-23
Abstract
No abstract record available.
Inventors
- 👤 Percy Royce Taggart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:33
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/48; B60D1/54; B62; B62D; B62D53/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1598084A
Cited
US1915883A
Cited
US2409399A
Cited
US2446223A
Cited
US2494735A
Cited
US3244434A
Cited
US3154325A
Cited
US3307718A
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 |