Patent US2981210A successfully refreshed from Google Patents.
US2981210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System of transport for trailers
Assignee: Individual
•
Filing: 1956-11-23
•
Granted: 1961-04-25
•
Expires: 1976-11-23
Abstract
No abstract record available.
Inventors
- 👤 Arthur P Krueger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:59
CPC Classifications
B; B61; B61D; B61D47/00; B61D47/005; B60; B60P; B60P1/00; B60P1/64; B60P1/6418; B60P1/6427; Y; Y10; Y10S; Y10S280/00; Y10S280/08
Claims Analysis
Total Claims: 0
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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) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |