Patent Explorer
Browse, filter, and analyze 4 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US3109166A | Character generator apparatus | CBS Broadcasting Inc | Expired / Lapsed | 1959-10-26 | 1963-10-29 | 1979-10-26 | 0.0 yrs | 2 | |
| US2846625A | Semiconductor device | CBS Broadcasting Inc | Expired / Lapsed | 1955-03-31 | 1958-08-05 | 1975-03-31 | 0.0 yrs | 1 | |
| US2773221A | Timing circuit | CBS Broadcasting Inc | Expired / Lapsed | 1952-08-12 | 1956-12-04 | 1972-08-12 | 0.0 yrs | 0 | |
| US2306386A | Electronic apparatus | CBS Broadcasting Inc | Expired / Lapsed | 1941-04-30 | 1942-12-29 | 1961-04-30 | 0.0 yrs | 0 |