Patent US2684237A successfully refreshed from Google Patents.
US2684237A
Expired / Lapsed
US
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Axle assembly with removable spring means
Assignee: American Steel Foundries
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Filing: 1951-08-10
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Granted: 1954-07-20
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Expires: 1971-08-10
Abstract
No abstract record available.
Inventors
- 👤 Frank H Kayler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:00
CPC Classifications
B; B60; B60G; B60G11/00; B60G11/14; B60G11/15; B60B; B60B35/00; B60B35/02; B60B35/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US464967A
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US1956877A
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US2226047A
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US2254261A
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US2477822A
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US2426513A
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US2558311A
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US2609212A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-19 | 1958-01-18 | 1958-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-19 | 1962-01-18 | 1962-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-19 | 1966-01-18 | 1966-07-20 | $7700.00 | Window Closed / Lapsed |