Patent US2515831A successfully refreshed from Google Patents.
US2515831A
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US
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Transmission mechanism
Assignee: Packard Motor Car Co
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Filing: 1945-02-19
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Granted: 1950-07-18
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Expires: 1965-02-19
Abstract
No abstract record available.
Inventors
- 👤 Forest R Mcfarland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:58
CPC Classifications
F; F16; F16D; F16D33/00; F16D33/06; F16D33/08; F16D33/10; F16D67/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB144349A
Cited
US1962972A
Cited
US1987985A
Cited
US2024842A
Cited
US2276794A
Cited
US2266085A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-17 | 1954-01-16 | 1954-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-17 | 1958-01-16 | 1958-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-17 | 1962-01-16 | 1962-07-18 | $7700.00 | Window Closed / Lapsed |