US3474689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torque transmitting differential
Assignee: KENNETH A YOUNG
•
Filing: 1967-05-31
•
Granted: 1969-10-28
•
Expires: 1987-05-31
Abstract
No abstract record available.
Inventors
- 👤 Kenneth A Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:22
CPC Classifications
F; F16; F16H; F16H48/00; F16H48/20; F16H48/22; F16H48/06; F16H48/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1274778A
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US1285718A
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US2248764A
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GB927924A
Cited
US3051020A
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US3027781A
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US3365983A
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US3330169A
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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) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |