US3527476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination towing vehicle and trailer and hitch assembly therefor
Assignee: Dakota Manufacturing Co Inc
•
Filing: 1968-10-14
•
Granted: 1970-09-08
•
Expires: 1988-10-14
Abstract
No abstract record available.
Inventors
- 👤 Elmer R Winckler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:12
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1982052A
Cited
US2051522A
Cited
US2663574A
Cited
US2535301A
Cited
US2603531A
Cited
US2963302A
Cited
US3220750A
Cited
US3336050A
Cited
US3406852A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-07 | 1974-03-09 | 1974-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-07 | 1978-03-09 | 1978-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-07 | 1982-03-09 | 1982-09-08 | $7700.00 | Window Closed / Lapsed |