Patent US2037074A successfully refreshed from Google Patents.
US2037074A
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Transmission mechanism
Assignee: Packard Motor Car Co
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Filing: 1933-11-27
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Granted: 1936-04-14
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Expires: 1953-11-27
Abstract
No abstract record available.
Inventors
- 👤 Walter R Griswold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:24
CPC Classifications
F; F16; F16H; F16H57/00; F16H57/04; F16H57/048; F16H57/0482; F16H57/0483; F16H57/0402; F16H57/0404; F16H57/0467; F16H57/0469; F16H57/0471; F16C; F16C2361/00; F16C2361/61; F16H48/00; F16H48/38; F16H48/42; F16H2048/423; F16H2048/426
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) | 1939-04-14 | 1939-10-14 | 1940-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-04-14 | 1943-10-14 | 1944-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-04-14 | 1947-10-14 | 1948-04-14 | $7700.00 | Window Closed / Lapsed |