Patent US2830826A successfully refreshed from Google Patents.
US2830826A
Expired / Lapsed
US
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Elastic wheel suspensions for vehicles
Assignee: Rand Goetze Corp
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Filing: 1954-07-12
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Granted: 1958-04-15
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Expires: 1974-07-12
Abstract
No abstract record available.
Inventors
- 👤 Mantzel Albrecht-Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:17
CPC Classifications
B; B60; B60G; B60G11/00; B60G11/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB488888A
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US2147518A
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US2149887A
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US2409501A
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GB646664A
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FR1053995A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-14 | 1961-10-14 | 1962-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-14 | 1965-10-14 | 1966-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-14 | 1969-10-14 | 1970-04-15 | $7700.00 | Window Closed / Lapsed |