Patent Explorer
Browse, filter, and analyze 3 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2712898A | Arrangement for analysis and comparison of recordings | Compagnie des Machines Bull SA | Expired / Lapsed | 1951-07-16 | 1955-07-12 | 1971-07-16 | 0.0 yrs | 0 | |
| FR1035312A | Addition and subtraction operator device for electric calculating machine in binary system | Compagnie des Machines Bull SA | Expired / Lapsed | 1951-04-11 | 1953-08-21 | 1971-04-11 | 0.0 yrs | 0 | |
| US2586963A | Cathode-ray tube analyzing and recording apparatus | Compagnie des Machines Bull SA | Expired / Lapsed | 1949-05-17 | 1952-02-26 | 1969-05-17 | 0.0 yrs | 0 |