Patent US3475993A successfully refreshed from Google Patents.
US3475993A
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US
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Friction drive transmission
Assignee: Motors Liquidation Co
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Filing: 1967-02-14
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Granted: 1969-11-04
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Expires: 1987-02-14
Abstract
No abstract record available.
Inventors
- 👤 Lubomyr O Hewko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:19
CPC Classifications
F; F16; F16H; F16H13/00; F16H13/06; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19074; Y10T74/19121
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE490933C
Cited
US1709345A
Cited
US1718846A
Cited
CH218170A
Cited
US2939345A
Cited
US3216285A
Cited
US3283614A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |