Patent US3253668A successfully refreshed from Google Patents.
US3253668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separable wheeled units for vehiclizing containers
Assignee: Fruehauf Corp
•
Filing: 1963-07-25
•
Granted: 1966-05-31
•
Expires: 1983-07-25
Abstract
No abstract record available.
Inventors
- 👤 Keith W Tantlinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:07
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/64; B60P1/6418; B60P1/6445; B60P3/00; B60P3/40; B60P7/00; B60P7/06; B60P7/13; B62; B62D; B62D49/00; B62D49/005; B62D49/007
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US722262A
Cited
US2008887A
Cited
US2554556A
Cited
US2421867A
Cited
US2531694A
Cited
DE866175C
Cited
US2669314A
Cited
DE951612C
Cited
US2782046A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |