Patent US2951710A successfully refreshed from Google Patents.
US2951710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tandem axle torsional suspension for vehicles
Assignee: Individual
•
Filing: 1956-12-18
•
Granted: 1960-09-06
•
Expires: 1976-12-18
Abstract
No abstract record available.
Inventors
- 👤 Elwood H Willetts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:53
CPC Classifications
B; B60; B60G; B60G11/00; B60G11/22; B60G11/23; B60G5/00; B60G5/04; B60G5/06; F; F16; F16F; F16F1/00; F16F1/36; F16F1/38; B60G2200/00; B60G2200/30; B60G2200/318; B60G2202/00; B60G2202/10; B60G2202/14; B60G2202/142; B60G2202/1424; B60G2204/00; B60G2204/40; B60G2204/41; B60G2204/44; B60G2204/4402; B60G2206/00; B60G2206/01; B60G2206/80; B60G2206/82; B60G2206/8206; F16F2236/00; F16F2236/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1739450A
Cited
US1930208A
Cited
US2051864A
Cited
US2286609A
Cited
US2371864A
Cited
US2613954A
Cited
US2738203A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-06 | 1964-03-07 | 1964-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-06 | 1968-03-07 | 1968-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-06 | 1972-03-07 | 1972-09-06 | $7700.00 | Window Closed / Lapsed |