Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2989062A | Breathing apparatus for divers | La Spirotechnique Industrielle et Commerciale | Expired / Lapsed | 1958-05-02 | 1961-06-20 | 1978-05-02 | 0.0 yrs | 0 | |
| US2918061A | Breathing apparatus | La Spirotechnique Industrielle et Commerciale | Expired / Lapsed | 1956-11-26 | 1959-12-22 | 1976-11-26 | 0.0 yrs | 0 |