Title:
Earpiece
United States Patent 2593892


Inventors:
Kindel, Elmore A.
Application Number:
US15413550A
Publication Date:
04/22/1952
Filing Date:
04/05/1950
Assignee:
Kindel, Elmore A.
Primary Class:
Other Classes:
2/68, 2/174, 2/209, 2/428, 128/866, 381/189, 381/372, 381/376
International Classes:
A42B3/16; A42B3/30; A61F11/14
View Patent Images:
US Patent References:
2488235Diving mask with pressure equalizing ear cups1949-11-15
2468721Earphone socket and noise shield1949-04-26
2447470Noise insulating ring for earphones1948-08-17
2407731Receiver ear piece1946-09-17
2345842Noise eliminator1944-04-04
1973330Ear screen or guard1934-09-11
1857974Ear protector1932-05-10
1621629Goggles1927-03-22
1599898Bathing cap1926-09-14
1584662Ear cushion1926-05-11
1223545N/A1917-04-24
0882700N/A1908-03-24
0387709N/A1888-08-14
0350393N/A1886-10-05