Patent Explorer
Browse, filter, and analyze 7 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US3638496A | Pressure transducer | MSA Safety Inc | Expired / Lapsed | 1970-06-15 | 1972-02-01 | 1990-06-15 | 0.0 yrs | 4 | |
| US3224447A | Electrodes for ventricular defibrillator | MSA Safety Inc | Expired / Lapsed | 1962-06-25 | 1965-12-21 | 1982-06-25 | 0.0 yrs | 2 | |
| US2829908A | Rock dust collecting apparatus | MSA Safety Inc | Expired / Lapsed | 1956-03-08 | 1958-04-08 | 1976-03-08 | 0.0 yrs | 0 | |
| US2824558A | Ear plug | MSA Safety Inc | Expired / Lapsed | 1956-05-24 | 1958-02-25 | 1976-05-24 | 0.0 yrs | 0 | |
| US2494131A | Oxygen generating canister | MSA Safety Inc | Expired / Lapsed | 1944-11-27 | 1950-01-10 | 1964-11-27 | 0.0 yrs | 2 | |
| US2299520A | Method of making extensible conduit | MSA Safety Inc | Expired / Lapsed | 1940-02-28 | 1942-10-20 | 1960-02-28 | 0.0 yrs | 0 | |
| US2292003A | Valve | MSA Safety Inc | Expired / Lapsed | 1939-10-12 | 1942-08-04 | 1959-10-12 | 0.0 yrs | 0 |