Earplug
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Description
FIG. 1 illustrates an isometric view of the design for the earplug.
FIG. 2 illustrates a side view thereof, all other side views displaying the same image thereof.
FIG. 3 illustrates a bottom view thereof; and,
FIG. 4 illustrates a top view thereof.
The broken lines shown in the drawing are only provided to illustrate the environment of the design.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
RE28560 | September 1975 | Fling |
D195322 | May 1963 | Hill |
D239416 | March 1976 | Visor |
D253723 | December 18, 1979 | Leight |
D298356 | November 1, 1988 | Falco |
2246737 | June 1941 | Knudsen |
2393005 | January 1946 | Veneklasen |
2427664 | September 1947 | Dunbar et al. |
2487038 | November 1949 | Baum |
2538339 | January 1951 | Thomas |
2619960 | December 1952 | Reynolds |
2670738 | March 1954 | Gibbons |
3097643 | July 1963 | Santi |
3259128 | July 1966 | Leight |
3415246 | December 1968 | Hill |
3800791 | April 1974 | Visor |
4034749 | July 12, 1977 | Von Kesseru et al. |
4219018 | August 26, 1980 | Draper |
4314553 | February 9, 1982 | Westerdal |
4353364 | October 12, 1982 | Woods |
4540063 | September 10, 1985 | Ochi et al. |
4867149 | September 19, 1989 | Falco |
4936411 | June 26, 1990 | Leonard |
5249309 | October 5, 1993 | Berg |
5727566 | March 17, 1998 | Leight |
5819745 | October 13, 1998 | Mobley et al. |
5957136 | September 28, 1999 | Magidson et al. |
6021526 | February 8, 2000 | Falco et al. |
6056082 | May 2, 2000 | Lindgren et al. |
578485 | June 1959 | CAX |
0 244 979 B1 | September 1990 | EPX |
Patent History
Patent number: D434139
Type: Grant
Filed: Sep 17, 1999
Date of Patent: Nov 21, 2000
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventor: Floyd L. Foslien (Hudson, WI)
Primary Examiner: Ian Simmons
Attorney: Karl G. Hanson
Application Number: 0/110,962
Type: Grant
Filed: Sep 17, 1999
Date of Patent: Nov 21, 2000
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventor: Floyd L. Foslien (Hudson, WI)
Primary Examiner: Ian Simmons
Attorney: Karl G. Hanson
Application Number: 0/110,962
Classifications