Earplug and earplug set

Details Earplug and earplug set Earplug and earplug set

1979-08-08

1982-02-09

Recla, Henry J.

Surgery

Truss

Pad

12820118, D24 67, 181135, 179 1ST, 179107E, 179182R, A61F 1102

Patent

active

043145531

ABSTRACT:
An earplug comprising a stem portion and a front portion mounted on the stem portion. The front portion is conically shaped and disposed such that the inner surface of the front portion is spaced from the stem portion. At least one spacing member may be provided which is adapted to space the interior surface of the front portion from the stem portion.
The earplug may further comprise an axial bore therein adapted to receive a cord such that two of the earplugs may be connected by the cord so as to form a set.

REFERENCES:
patent: D89947 (1933-05-01), Cohn
patent: D241881 (1979-11-01), Peterson et al.
patent: D245202 (1977-07-01), Asker
patent: 968008 (1910-08-01), Waller
patent: 2492183 (1949-12-01), Rosenblatt
patent: 3259128 (1966-07-01), Leight
patent: 3301253 (1967-01-01), Glorig
patent: 3415246 (1968-12-01), Hill
patent: 3618600 (1971-11-01), Douglass
patent: 3871372 (1975-03-01), Bivins
patent: 3935401 (1976-01-01), Shore et al.
patent: 4167185 (1979-09-01), Lewis
Clora-Kapor, Abtegma., Brochure page, 720828 ers.

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