Ear protection plug set
FIG. 1 shows a side elevational view of my new design of the ear protection plug set, wherein one of the ear protection plugs is shown withdrawn from its retaining socket.
FIG. 2 is a side elevational view of one of the ear protection plugs shown in FIG. 1.
FIG. 3 is a bottom plan view of the ear protection plug in FIG. 2.
FIG. 4 is a top plan view of the ear protection plug in FIG. 2.
FIG. 5 is a fragmentary cross-sectional view taken along the line 5--5 in FIG. 4.
FIG. 6 is a fragmentary side elevation of one of the retaining sockets and the connecting cord shown in FIG. 1.
FIG. 7 is a fragmentary bottom plan view of the socket and connecting cord shown in FIG. 6.
FIG. 8 is a fragmentary top plan view of the socket and connecting cord shown in FIG. 6.
FIG. 9 is a cross-sectional view taken along the line 9--9 in FIG. 8.
| D195322 | May 1963 | Hill |
| 955276 | April 1910 | Lopizich |
| 2393005 | January 1946 | Veneklasen |
| 3259128 | July 1966 | Leight |
| 3871372 | March 1975 | Bivins |
| 456,207 | July 1928 | DD |
Type: Grant
Filed: Sep 3, 1975
Date of Patent: Jul 26, 1977
Inventor: Lambert Carl Curt Asker (230 50 Bjarred)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Larry Jones
Law Firm: Brown, Beveridge, De Grandi & Kline
Application Number: 5/610,032
International Classification: D2404;
