US2768538A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transfer case
Assignee: FOUR WHEEL DRIVE AUTO CO
•
Filing: 1954-05-19
•
Granted: 1956-10-30
•
Expires: 1974-05-19
Abstract
No abstract record available.
Inventors
- 👤 George D Simonds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:10
CPC Classifications
F; F16; F16H; F16H57/00; F16H57/02; F16H57/037; B; B60; B60K; B60K17/00; B60K17/34; B60K17/344; B60K17/346; B60K17/3462; F16H48/00; F16H48/06; F16H48/08; F16H48/20; F16H48/22; F16H48/30; F16H48/34; F16H2048/082; F16H2048/085; F16H2048/201; F16H2048/305; F16H48/38; F16H48/40; F16H2048/405; F16H48/42; F16H2048/423; F16H2200/00; F16H2200/20; F16H2200/203; F16H2200/2071; F16H48/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US750424A
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GB191517944A
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US1466320A
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US1610040A
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US1858773A
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US1835412A
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US2073029A
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US2395108A
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US2580381A
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US2559944A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-30 | 1960-04-30 | 1960-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-30 | 1964-04-30 | 1964-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-30 | 1968-04-30 | 1968-10-30 | $7700.00 | Window Closed / Lapsed |