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Legal status
Patent not validated
| (51) | INT.CL. | A62B 9/00 | (2006.01) |
| A62B 18/00 | (2006.01) | ||
| A62B 27/00 | (2006.01) | ||
| A61F 9/06 | (2006.01) |
| (11) | Number of the document | 3474958 |
| (13) | Kind of document | T |
| (96) | European patent application number | 17740820.0 |
| Date of filing the European patent application | 2017-06-22 | |
| (97) | Date of publication of the European application | 2019-05-01 |
| (45) | Date of publication and mention of the grant of the patent | 2021-07-28 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/US2017/038846 |
| Date | 2017-06-22 |
| (87) | Number | WO 2017/223367 |
| Date | 2017-12-28 |
| (30) | Number | Date | Country code |
| 201615190564 | 2016-06-23 | US |
| (72) |
AWISZUS, Steven T. , US
KANUKURTHY, Kiran S. , US
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| (73) |
3M Innovative Properties Company ,
3M Center
Post Office Box 33427, Saint Paul, Minnesota 55133-3427,
US
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| (54) | INDICATING HAZARDOUS EXPOSURE IN A SUPPLIED AIR RESPIRATOR SYSTEM |
| INDICATING HAZARDOUS EXPOSURE IN A SUPPLIED AIR RESPIRATOR SYSTEM |