Patent US2956443A successfully refreshed from Google Patents.
US2956443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic variable speed transmission
Assignee: Individual
•
Filing: 1959-03-17
•
Granted: 1960-10-18
•
Expires: 1979-03-17
Abstract
No abstract record available.
Inventors
- 👤 William O Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:53
CPC Classifications
B; B62; B62M; B62M11/00; B62M11/04; B62M11/14; F; F16; F16H; F16H61/00; F16H61/02; F16H61/0293; F16H2710/00; F16H2710/04; F16H2710/06; F16H2710/08; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19251; Y10T74/19256; Y10T74/1926; Y10T74/19265; Y10T74/19377; Y10T74/19414; Y10T74/19419; Y10T74/19442; Y10T74/19451; Y10T74/19456; Y10T74/19465; Y10T74/20; Y10T74/20207; Y10T74/20256; Y10T74/20268; Y10T74/20274; Y10T74/20396; Y10T74/20402; Y10T74/2042; Y10T74/20426; Y10T74/20576; Y10T74/20582; Y10T74/20612; Y10T74/20732; Y10T74/20834; Y10T74/2084
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1963-10-18 | 1964-04-18 | 1964-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-18 | 1968-04-18 | 1968-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-18 | 1972-04-18 | 1972-10-18 | $7700.00 | Window Closed / Lapsed |