US3416307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable power and variable direction engine and split torque phase changing device
Assignee: Motors Liquidation Co
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Filing: 1966-08-31
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Granted: 1968-12-17
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Expires: 1986-08-31
Abstract
No abstract record available.
Inventors
- 👤 Rolland B Wallis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:22
CPC Classifications
G; G05; G05G; G05G7/00; G05G7/12; F; F02; F02G; F02G1/00; F02G1/04; F02G1/043; F02G1/045; F02G1/05; F16; F16D; F16D67/00; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19037
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |