Patent
   D247266
Priority
Aug 11 1976
Filed
Aug 11 1976
Issued
Feb 21 1978
Expiry
Feb 21 1992
Assg.orig
Entity
unknown
2
4
n/a
The ornamental design for a hat having an air chamber, substantially as shown and described.

FIG. 1 is a perspective view of a hat having an air chamber, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top view thereof; and

FIG. 4 is a bottom view thereof.

Yoshida, Yutaka

Patent Priority Assignee Title
D268696, Aug 18 1980 Scalp hypothermia cap
D748376, Mar 25 2014 Hat
Patent Priority Assignee Title
2673349,
2696007,
3072916,
606982,
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