US3537727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupled chassis
Assignee: Fruehauf Corp
•
Filing: 1967-07-19
•
Granted: 1970-11-03
•
Expires: 1987-07-19
Abstract
No abstract record available.
Inventors
- 👤 Keith W Tantlinger
- 👤 George Chieger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:53
CPC Classifications
B; B62; B62D; B62D53/00; B62D53/04; B62D53/045; B60; B60P; B60P1/00; B60P1/64; B60P1/6418; B60P1/6481
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2097113A
Cited
US2390479A
Cited
US2678831A
Cited
US3102738A
Cited
US3105703A
Cited
US3210110A
Cited
US3359605A
Cited
US3321214A
Cited
US3402943A
Cited
US3370878A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-02 | 1974-05-04 | 1974-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-02 | 1978-05-04 | 1978-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-02 | 1982-05-04 | 1982-11-03 | $7700.00 | Window Closed / Lapsed |