Patent
   D779868
Priority
Dec 07 2015
Filed
Dec 07 2015
Issued
Feb 28 2017
Expiry
Feb 28 2032
Assg.orig
Entity
unknown
5
29
n/a
The ornamental design for a heavy duty steel bed frame, as shown and described.

FIG. 1 is a perspective view of a heavy duty steel bed frame showing my new design.

FIG. 2 is another perspective view thereof.

FIG. 3 is a front view thereof.

FIG. 4 is a rear view thereof.

FIG. 5 is a left end view thereof.

FIG. 6 is a right end view thereof.

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

Zhu, Hongyan

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