Patent US2838344A successfully refreshed from Google Patents.
US2838344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bogie-wheel suspension for tracked vehicles
Assignee: Porsche System Engineering Ltd
•
Filing: 1955-06-23
•
Granted: 1958-06-10
•
Expires: 1975-06-23
Abstract
No abstract record available.
Inventors
- 👤 Eyb Wolfgang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:23
CPC Classifications
B; B60; B60G; B60G3/00; B60G3/02; B60G3/12; B60G3/14; B60G3/145; B62; B62D; B62D55/00; B62D55/08; B62D55/104; B62D55/108; F; F16; F16F; F16F1/00; F16F1/02; F16F1/32
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE349400C
Cited
US1142874A
Cited
US1922768A
Cited
US2011565A
Cited
US2444759A
Cited
US2462873A
Cited
US2417715A
Cited
US2698667A
Cited
US2719062A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-09 | 1961-12-09 | 1962-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-09 | 1965-12-09 | 1966-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-09 | 1969-12-09 | 1970-06-10 | $7700.00 | Window Closed / Lapsed |