US3013446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wholly mechanical, automatic, continuous, and substantially frictionless converters of rotational motion
Assignee: Individual
•
Filing: 1958-10-08
•
Granted: 1961-12-19
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Expires: 1978-10-08
Abstract
No abstract record available.
Inventors
- 👤 Jean F G M L Charpentier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:27
CPC Classifications
F; F16; F16H; F16H29/00; F16H29/22; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1503; Y10T74/1505; Y10T74/1506; Y10T74/18; Y10T74/1836; Y10T74/18368
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) | 1964-12-18 | 1965-06-19 | 1965-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-18 | 1969-06-19 | 1969-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-18 | 1973-06-19 | 1973-12-19 | $7700.00 | Window Closed / Lapsed |