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Patent
   D279515
Priority
Feb 09 1983
Filed
Feb 09 1983
Issued
Jul 09 1985
Expiry
Jul 09 1999
Inventors
Peyton, Ca…
Assg.orig
Assg.curr
Entity
unknown
Referenced by
0
References
7
Maint.:
n/a
The ornamental design for an air vent attachment for crash helmets, as shown.

FIG. 1 is a top plan view of an air vent attachment for crash helmets showing my new design;

FIG. 2 is a top perspective view thereof; and

FIG. 3 is a bottom perspective view thereof.
INVENTORS:

Peyton, Calvin P.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3806023,
3838466,
3952910, Sep 04 1975 Self-sealing container closure
4101980, Apr 26 1975 Uvex Winter Optik GmbH Protective device having a shield for protecting the face of a user
4141085, Sep 22 1977 Vented helmet and face shield
136471,
D246681, Feb 12 1976 Hat bill and brim
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