Patent US2941423A successfully refreshed from Google Patents.
US2941423A
Expired / Lapsed
US
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Compound planetary gear drive
Assignee: Motors Liquidation Co
•
Filing: 1953-07-02
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Granted: 1960-06-21
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Expires: 1973-07-02
Abstract
No abstract record available.
Inventors
- 👤 Stewart F Armington
- 👤 Louis F Held
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:58
CPC Classifications
F; F16; F16H; F16H1/00; F16H1/28; F16H1/48; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19545
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1968604A
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US2258008A
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US2284047A
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US2399319A
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US2543811A
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US2529330A
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US2672739A
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US2763160A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |