US2872207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring suspension for multi-wheel road-vehicle bogies
Assignee: Metalastik Ltd
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Filing: 1956-03-22
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Granted: 1959-02-03
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Expires: 1976-03-22
Abstract
No abstract record available.
Inventors
- 👤 Hirst Archie John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:26
CPC Classifications
B; B60; B60G; B60G5/00; B60G5/04; B60G11/00; B60G11/22; F; F04; F04D; F04D27/00; F04D27/02; F04D27/0207; F04D27/0215; B60G2202/00; B60G2202/10; B60G2202/14; B60G2202/142; B60G2202/1422
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) | 1962-02-02 | 1962-08-04 | 1963-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-02 | 1966-08-04 | 1967-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-02 | 1970-08-04 | 1971-02-03 | $7700.00 | Window Closed / Lapsed |