Patent US3021727A successfully refreshed from Google Patents.
US3021727A
Expired / Lapsed
US
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Triple turbine bus and truck transmissions
Assignee: Motors Liquidation Co
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Filing: 1958-10-13
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Granted: 1962-02-20
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Expires: 1978-10-13
Abstract
No abstract record available.
Inventors
- 👤 Oliver K Kelley
- 👤 Gilbert K Hause
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:02
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/06; F16H47/08; F16H47/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2532897A
Cited
US2624215A
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BE513764A
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US2797594A
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US2885908A
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US2893266A
Cited
US2795154A
Cited
US2861476A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |