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Legal status
Patent not validated
| (51) | INT.CL. | B29C 44/34 | |
| B29C 44/12 | |||
| A61F 11/08 |
| (11) | Number of the document | 2872308 |
| (13) | Kind of document | T |
| (96) | European patent application number | 13736719.9 |
| Date of filing the European patent application | 2013-06-28 | |
| (97) | Date of publication of the European application | 2015-05-20 |
| (45) | Date of publication and mention of the grant of the patent | 2020-04-08 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/US2013/048456 |
| Date | 2013-06-28 |
| (87) | Number | WO 2014/011412 |
| Date | 2014-01-16 |
| (30) | Number | Date | Country code |
| 201213547189 | 2012-07-12 | US |
| (72) |
ENDLE, James P., US
HAMER, Jeffrey L., US
SEVILLE, Alan R., US
TEETERS, Kenneth F., US
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| (73) |
3M Innovative Properties Company,
3M Center P.O.Box 33427, St. Paul, MN 55133-3427,
US
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| (54) | METHOD OF MAKING AN EARPLUG |
| METHOD OF MAKING AN EARPLUG |