US3003781A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air spring vehicle suspension system
Assignee: Trailmobile Inc
•
Filing: 1958-01-09
•
Granted: 1961-10-10
•
Expires: 1978-01-09
Abstract
No abstract record available.
Inventors
- 👤 James J Black
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:25
CPC Classifications
B; B60; B60G; B60G5/00; B60G5/04; B60G17/00; B60G17/02; B60G17/04; B60G17/052; Y; Y10; Y10S; Y10S280/00; Y10S280/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1085995A
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US1861866A
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US2025793A
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US2210485A
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US2624594A
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US2597122A
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US2702194A
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US2790650A
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US2877010A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-09 | 1965-04-10 | 1965-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-09 | 1969-04-10 | 1969-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-09 | 1973-04-10 | 1973-10-10 | $7700.00 | Window Closed / Lapsed |