US3424449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydropneumatic spring for vehicles,especially commercial type vehicles
Assignee: Daimler Benz AG
•
Filing: 1966-12-09
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Granted: 1969-01-28
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Expires: 1986-12-09
Abstract
No abstract record available.
Inventors
- 👤 Paul E Strifler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:51
CPC Classifications
H; H04; H04Q; H04Q3/00; H04Q3/42; H04Q3/52; H04Q3/521; B; B60; B60G; B60G17/00; B60G17/02; B60G17/04; B60G17/0416; B60G17/0424; B60G17/048; C; C21; C21D; C21D9/00; C21D9/52; C21D9/54; C21D9/663; C21D9/673
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3033552A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |