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US2629464A
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Brake rotor
Assignee: American Steel Foundries
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Filing: 1949-07-15
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Granted: 1953-02-24
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Expires: 1969-07-15
Abstract
No abstract record available.
Inventors
- 👤 Wesley A Helsten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:29
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/02; F16D65/12; F16D65/128; F16D2065/13; F16D2065/134; F16D2065/1348
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2215421A
Cited
US2255024A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-24 | 1956-08-25 | 1957-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-24 | 1960-08-25 | 1961-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-24 | 1964-08-25 | 1965-02-24 | $7700.00 | Window Closed / Lapsed |