US2980441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid suspension unit
Assignee: Motors Liquidation Co
•
Filing: 1958-11-28
•
Granted: 1961-04-18
•
Expires: 1978-11-28
Abstract
No abstract record available.
Inventors
- 👤 Fred F Timpner
- 👤 Lorean John Z De
- 👤 Carl J Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:53
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/06; F16F9/08; F16F9/084; B; B60; B60G; B60G15/00; B60G15/08; B60G15/12; B60G2202/00; B60G2202/30; B60G2202/31; B60G2202/314; B60G2204/00; B60G2204/10; B60G2204/12; B60G2204/128; B60G2204/40; B60G2204/41
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1729565A
Cited
US2134072A
Cited
US2393493A
Cited
US2536626A
Cited
US2779603A
Cited
US2793048A
Cited
US2916296A
Cited
DE1003608B
Cited
US2893104A
Cited
US2922635A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |