Patent US3020856A successfully refreshed from Google Patents.
US3020856A
Expired / Lapsed
US
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Vehicle suspension system
Assignee: Metalastik Ltd
•
Filing: 1958-10-02
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Granted: 1962-02-13
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Expires: 1978-10-02
Abstract
No abstract record available.
Inventors
- 👤 Hirst Archie John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:03
CPC Classifications
B; B60; B60G; B60G7/00; B60G7/005; B60G11/00; B60G11/32; B60G11/48; B60G11/62; B61; B61F; B61F5/00; B61F5/02; B61F5/04; B61F5/08; B61F5/10; F; F16; F16F; F16F9/00; F16F9/02; F16F9/04; F16F9/0445; B60G2202/00; B60G2202/10; B60G2202/14; B60G2202/143; B60G2204/00; B60G2204/10; B60G2204/12; B60G2204/125; B60G2204/40; B60G2204/45; B60G2204/4504
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2737127A
Cited
US2674449A
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US2841096A
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US2782026A
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US2790650A
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US2777401A
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US2883179A
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US2861522A
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US2922635A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-12 | 1965-08-14 | 1966-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-12 | 1969-08-14 | 1970-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-12 | 1973-08-14 | 1974-02-13 | $7700.00 | Window Closed / Lapsed |