US2486524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
V-belt variable-speed drive
Assignee: CLEVELAND AUTOMATIC MACHINE CO
•
Filing: 1948-01-27
•
Granted: 1949-11-01
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Expires: 1968-01-27
Abstract
No abstract record available.
Inventors
- 👤 William B Dulaney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:30
CPC Classifications
F; F16; F16H; F16H37/00; F16H37/02; F16H37/021; F16H9/00; F16H9/02; F16H9/04; F16H9/12; F16H9/16; F16H2009/163; F16H2037/025; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18072; Y10T74/1808; Y10T74/19; Y10T74/19167; Y10T74/19219; Y10T74/19251; Y10T74/19256; Y10T74/1926; Y10T74/1927; Y10T74/19284; Y10T74/19377; Y10T74/19414; Y10T74/19419; Y10T74/19423; Y10T74/19428; Y10T74/19437; Y10T82/00; Y10T82/25; Y10T82/2552; Y10T82/2554
Claims Analysis
Total Claims: 0
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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) | 1952-10-31 | 1953-05-02 | 1953-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-31 | 1957-05-02 | 1957-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-31 | 1961-05-02 | 1961-11-01 | $7700.00 | Window Closed / Lapsed |