Patent US2715023A successfully refreshed from Google Patents.
US2715023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic springing suspension for motor vehicles
Assignee: Individual
•
Filing: 1949-10-26
•
Granted: 1955-08-09
•
Expires: 1969-10-26
Abstract
No abstract record available.
Inventors
- 👤 Friedrich K H Nallinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:40
CPC Classifications
B; B60; B60G; B60G15/00; B60G17/00; B60G17/02; B60G17/04; B60G17/048; Y; Y10; Y10S; Y10S267/00; Y10S267/01; Y10S280/00; Y10S280/01
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB190303659A
Cited
US820707A
Cited
US1036340A
Cited
US1087305A
Cited
US1258355A
Cited
US1544850A
Cited
US1426057A
Cited
FR529338A
Cited
US1742690A
Cited
US1974171A
Cited
US2021043A
Cited
US2115072A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-08 | 1959-02-07 | 1959-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-08 | 1963-02-07 | 1963-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-08 | 1967-02-07 | 1967-08-09 | $7700.00 | Window Closed / Lapsed |