Patent Explorer
Browse, filter, and analyze 3 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US3058066A | Electrical circuit having direct current voltage output proportional to a variable direct current | Evershed and Vignoles Ltd | Expired / Lapsed | 1957-11-18 | 1962-10-09 | 1977-11-18 | 0.0 yrs | 0 | |
| US2608678A | Electrical controlling apparatus | Evershed and Vignoles Ltd | Expired / Lapsed | 1949-03-14 | 1952-08-26 | 1969-03-14 | 0.0 yrs | 0 | |
| US1571960A | Lectrical means for indicating at alpha distance the motion of an apparatus | Evershed and Vignoles Ltd | Expired / Lapsed | 1920-11-17 | 1926-02-09 | 1940-11-17 | 0.0 yrs | 0 |