US3406852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination towing vehicle and trailer and hitch assembly therefor
Assignee: Dakota Manufacturing Co Inc
•
Filing: 1966-04-20
•
Granted: 1968-10-22
•
Expires: 1986-04-20
Abstract
No abstract record available.
Inventors
- 👤 Elmer R Winckler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:01
CPC Classifications
B; B62; B62D; B62D53/00; B62D53/04; B62D53/08; B62D53/0807; B62D53/0828; Y; Y10; Y10S; Y10S280/00; Y10S280/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3032213A
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US3220750A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |