Patent US2913252A successfully refreshed from Google Patents.
US2913252A
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US
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Vehicle suspension using air spring
Assignee: Paccar Inc
•
Filing: 1957-08-02
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Granted: 1959-11-17
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Expires: 1977-08-02
Abstract
No abstract record available.
Inventors
- 👤 Robert C Norrie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:21
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/02; F16F9/04; F16F9/049; B; B60; B60G; B60G11/00; B60G11/26; B60G11/30; B60G17/00; B60G17/02; B60G17/04; B60G17/052; B60G5/00; B60G5/04; B60G9/00; B60G9/003; B60G2200/00; B60G2200/30; B60G2200/31; B60G2202/00; B60G2202/10; B60G2202/15; B60G2202/152; B60G2204/00; B60G2204/40; B60G2204/43; B60G2204/4302; B60G2204/4306; B60G2204/45; Y; Y10; Y10S; Y10S280/00; Y10S280/01
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |