US2714435A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable speed transmission devices
Assignee: Siper S A
•
Filing: 1950-03-13
•
Granted: 1955-08-02
•
Expires: 1970-03-13
Abstract
No abstract record available.
Inventors
- 👤 D Ozouville Francois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:15
CPC Classifications
F; F16; F16D; F16D27/00; F16D27/02; F16D27/04; F16D27/06; F16D48/00; F16D48/06; F16D48/064; F16D48/068; B; B60; B60K; B60K2702/00; B60K2702/08; B60K2702/10; B60K2702/16; B60K2702/18; F16D2027/002; F16D2500/00; F16D2500/10; F16D2500/102; F16D2500/1021; F16D2500/1022; F16D2500/104; F16D2500/10443; F16D2500/1045; F16D2500/30; F16D2500/314; F16D2500/3146; F16D2500/31466; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19251; Y10T74/19256; Y10T74/1926; Y10T74/19377; Y10T74/19414; Y10T74/19419; Y10T74/19423; Y10T74/19428; Y10T74/19437
Claims Analysis
Total Claims: 0
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US654632A
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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) | 1958-08-01 | 1959-01-31 | 1959-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-01 | 1963-01-31 | 1963-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-01 | 1967-01-31 | 1967-08-02 | $7700.00 | Window Closed / Lapsed |