Patent US3473638A successfully refreshed from Google Patents.
US3473638A
Expired / Lapsed
US
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Transmission with constant speed electric clutch
Assignee: Motors Liquidation Co
•
Filing: 1967-05-11
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Granted: 1969-10-21
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Expires: 1987-05-11
Abstract
No abstract record available.
Inventors
- 👤 Byron L Brucken
- 👤 Homer W Deaton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:05
CPC Classifications
F; F16; F16D; F16D27/00; F16D27/10; F16D27/108; F16D48/00; F16D48/06; F16D48/064; F16D2027/002; F16D2500/00; F16D2500/10; F16D2500/102; F16D2500/1021; F16D2500/1022; F16D2500/30; F16D2500/304; F16D2500/3042; F16D2500/30426; F16D2500/70; F16D2500/704; F16D2500/70402; F16D2500/7042; F16D2500/70422; F16D2500/70426; F16D2500/70438; F16D2500/70442
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2850654A
Cited
US2945104A
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US3032668A
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US3173041A
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US3087321A
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US3131342A
Cited
US3207950A
Cited
US3252022A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |