US2757547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Universal double torque engine
Assignee: Individual
•
Filing: 1953-08-03
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Granted: 1956-08-07
•
Expires: 1973-08-03
Abstract
No abstract record available.
Inventors
- 👤 Zeniph J Julin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:58
CPC Classifications
F; F16; F16H; F16H27/00; F16H27/04; F16H27/08; F01; F01B; F01B9/00; F01B9/04; F01B9/047; F16H31/00; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1532; Y10T74/1534; Y10T74/18; Y10T74/18056; Y10T74/18088; Y10T74/19; Y10T74/1987; Y10T74/19874
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) | 1959-08-07 | 1960-02-06 | 1960-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-07 | 1964-02-06 | 1964-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-07 | 1968-02-06 | 1968-08-07 | $7700.00 | Window Closed / Lapsed |