Earplug with articulating stem and locking features

Details Earplug with articulating stem and locking features Earplug with articulating stem and locking features

2006-10-20

2010-06-29

Bianco, Patricia M (Department: 3772)

Surgery

Body protecting or restraining devices for patients or infants

Head or face protector

C181S129000, C381S380000

Reexamination Certificate

active

07743771

ABSTRACT:
A hearing protection device is provided including a stem, a protrusion formed on the stem, an articulation point formed on the stem, and a sound attenuating element including a cavity, where the protrusion is disposed in locking engagement within the cavity to releasably attach the stem to the sound attenuating element, and where the stem is configured to at least partially articulate about the articulation point.

REFERENCES:
patent: 5074375 (1991-12-01), Grozil
patent: 6241041 (2001-06-01), Leight
patent: 2004/0129276 (2004-07-01), Kuno et al.
patent: 2006/0162992 (2006-07-01), Seville
patent: WO 9806363 (1998-02-01), None
patent: WO 9944556 (1999-09-01), None
patent: WO 2006078767 (2006-07-01), None
Definition of Vertex.
PCT Search Report—PCT/US2007/022421.

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