Avox Systems Inc
Avox SysteActive Patents
0
Total Holdings
13
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3347566A | Breakaway coupling assembly | Expired / Lapsed | 1964-10-26 | 1967-10-17 | 1 | Details |
| US3037501A | Quick-donning breathing mask | Expired / Lapsed | 1959-02-02 | 1962-06-05 | 0 | Details |
| US3032462A | Process of making a diaphragm | Expired / Lapsed | 1955-11-04 | 1962-05-01 | 2 | Details |
| US3003520A | Pressure reducing regulator | Expired / Lapsed | 1957-09-03 | 1961-10-10 | 0 | Details |
| US2996722A | Face mask | Expired / Lapsed | 1956-03-19 | 1961-08-22 | 0 | Details |
| US2970602A | Positive pressure demand regulator | Expired / Lapsed | 1956-04-23 | 1961-02-07 | 0 | Details |
| US2952853A | Means for detachably attaching a lens to a face mask | Expired / Lapsed | 1956-06-26 | 1960-09-20 | 0 | Details |
| US2952852A | Face mask lens attaching means | Expired / Lapsed | 1956-05-07 | 1960-09-20 | 0 | Details |
| US2822817A | Filler valve | Expired / Lapsed | 1956-06-08 | 1958-02-11 | 0 | Details |
| US2764151A | Underwater breathing apparatus | Expired / Lapsed | 1953-06-16 | 1956-09-25 | 0 | Details |
| US2638748A | Master cylinder with fluid-volume compensating valve in pis… | Expired / Lapsed | 1948-08-13 | 1953-05-19 | 0 | Details |
| US2445359A | Valve mechanism for breathing apparatus | Expired / Lapsed | 1943-12-24 | 1948-07-20 | 0 | Details |
| US2406888A | Breathing apparatus | Expired / Lapsed | 1944-06-06 | 1946-09-03 | 0 | Details |