US2636401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic change-speed transmission
Assignee: Individual
•
Filing: 1944-07-08
•
Granted: 1953-04-28
•
Expires: 1964-07-08
Abstract
No abstract record available.
Inventors
- 👤 William S Gubelmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:26
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/02; F16H61/0293; F16D; F16D43/00; F16D43/02; F16D43/04; F16D43/14; F16D43/18; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20207; Y10T74/20256; Y10T74/20262
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) | 1956-04-27 | 1956-10-27 | 1957-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-27 | 1960-10-27 | 1961-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-27 | 1964-10-27 | 1965-04-28 | $7700.00 | Window Closed / Lapsed |