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US2503477A
Expired / Lapsed
US
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Front-wheel drive for motor vehicles
Assignee: MARTHA REALTY Co
•
Filing: 1945-12-15
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Granted: 1950-04-11
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Expires: 1965-12-15
Abstract
No abstract record available.
Inventors
- 👤 Benjamin F Gregory
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:02
CPC Classifications
B; B60; B60K; B60K17/00; B60K17/30; B60K17/306
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE147826C
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US963609A
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US1171942A
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US1676322A
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US1695579A
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US1734709A
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US1793091A
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US2024099A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-10 | 1953-10-10 | 1954-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-10 | 1957-10-10 | 1958-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-10 | 1961-10-10 | 1962-04-11 | $7700.00 | Window Closed / Lapsed |