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Patent US3397897A successfully refreshed from Google Patents.
US3397897A
Expired / Lapsed
US
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Combination spring and shock absorbing suspension unit
Assignee: Motors Liquidation Co
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Filing: 1966-02-01
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Granted: 1968-08-20
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Expires: 1986-02-01
Abstract
No abstract record available.
Inventors
- 👤 Harold E Schultze
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:10
CPC Classifications
B; B60; B60G; B60G15/00; B60G15/02; B60G15/06; B60G13/00; B60G13/02; B60G13/06; B60G13/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-20 | 1972-02-19 | 1972-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-20 | 1976-02-19 | 1976-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-20 | 1980-02-19 | 1980-08-20 | $7700.00 | Window Closed / Lapsed |