Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US3538253A | Signal powered signal-to-noise squelch | AV ELECTRONICS Corp A CORP OF | Expired / Lapsed | 1967-10-16 | 1970-11-03 | 1987-10-16 | 0.0 yrs | 0 | |
| US3530455A | Door chime alarm system | AV ELECTRONICS Corp A CORP OF | Expired / Lapsed | 1967-03-02 | 1970-09-22 | 1987-03-02 | 0.0 yrs | 0 |