Invention Grant
- Patent Title: Earplug with stem comprising a sleeve
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Application No.: US16471844Application Date: 2017-12-14
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Publication No.: US11173069B2Publication Date: 2021-11-16
- Inventor: Caitlin E. Meree , James P. Endle , Joshua M. Fishman , Hannah L. Mathers , Travis L. Potts , Joseph D. Rule , Richard J. Webb , Caroline M. Ylitalo
- Applicant: 3M INNOVATIVE PROPERTIES COMPANY
- Applicant Address: US MN St. Paul
- Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee Address: US MN St. Paul
- Agent Kenneth B. Wood
- International Application: PCT/US2017/066439 WO 20171214
- International Announcement: WO2018/118647 WO 20180628
- Main IPC: A61F11/08
- IPC: A61F11/08
Abstract:
A hearing-protective earplug (1) with a resilient polymeric foam body (10) and with a grippable stem (110) that includes a forward portion (111) with an annular sleeve (112) that at least partially defines an open-ended, front-facing cavity (114) within which a rearward portion (21) of the resilient polymeric foam body resides.
Information query
IPC分类:
