Patent US2080477A successfully refreshed from Google Patents.
US2080477A
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US
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Assignee: FOUR WHEEL DRIVE AUTO CO
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Filing: 1935-08-23
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Granted: 1937-05-18
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Expires: 1955-08-23
Abstract
No abstract record available.
Inventors
- 👤 Francis M Higgins
- 👤 Bartrum G Donley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:25
CPC Classifications
F; F16; F16H; F16H48/00; F16H48/20; F16H48/30; B; B60; B60K; B60K17/00; B60K17/34; B60K17/344; B60K17/346; F16H48/06; F16H48/10; F16H48/24; F16H2048/305; F16H48/38; F16H48/40; F16H2048/405
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1940-05-17 | 1940-11-16 | 1941-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-05-17 | 1944-11-16 | 1945-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-05-17 | 1948-11-16 | 1949-05-18 | $7700.00 | Window Closed / Lapsed |