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Patent
   D267440
Priority
May 14 1980
Filed
Nov 13 1980
Issued
Jan 04 1983
Expiry
Jan 04 1997
Inventors
Lonnstedt,…
Assg.orig
Assg.curr
Entity
unknown
Referenced by
1
References
3
Maint.:
n/a
The ornamental design for an ear muff attachment for a safety helmet, as shown.

FIG. 1 is a bottom perspective view of an ear muff attachment for a safety helmet showing my new design;

FIG. 2 is a front elevational view thereof; and

FIG. 3 is a rear elevational view thereof.
INVENTORS:

Lonnstedt, Bo G.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D319240, Aug 08 1988 Combined visor and headphone
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3461463,
D248191, May 02 1975 Gullfiber AB Ear muff support for a safety helmet with ear muffs
D255058, Apr 20 1978 Support for ear protector
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