US3426651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-oil suspension
Assignee: Pneumo Dynamics Corp
•
Filing: 1966-07-26
•
Granted: 1969-02-11
•
Expires: 1986-07-26
Abstract
No abstract record available.
Inventors
- 👤 Marion Arendarski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:50
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB581833A
Cited
US2538375A
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US2679827A
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US2868482A
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US3054582A
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US3046002A
Cited
US3216332A
Cited
US3322393A
Cited
US3292919A
Cited
US3290038A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |