Patent US3983275A successfully refreshed from Google Patents.
Patent US1212815A successfully refreshed from Google Patents.
Patent US2692149A successfully refreshed from Google Patents.
US2692149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wheeled towing device
Assignee: Individual
•
Filing: 1954-03-10
•
Granted: 1954-10-19
•
Expires: 1974-03-10
Abstract
No abstract record available.
Inventors
- 👤 Robert L Wilcox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:50
CPC Classifications
B; B64; B64F; B64F1/00; B64F1/22; B64F1/223; B64F1/224; Y; Y10; Y10S; Y10S180/00; Y10S180/904
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-18 | 1958-04-19 | 1958-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-18 | 1962-04-19 | 1962-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-18 | 1966-04-19 | 1966-10-19 | $7700.00 | Window Closed / Lapsed |