Double walled hollow column

The ornamental design for a double walled hollow column, as shown and described.

FIG. 1 is a top plan view;

FIG. 2 is a side elevational view, the double walled hollow column is broken in the center to disclose indeterminate length;

FIG. 3 is a sectional view taken along line 3--3 of FIG. 1; and,

FIG. 4 is a perspective view.

Patent	Priority	Assignee	Title
2726004,
3531900,
4325150,	Sep 22 1980		Pool surface skimming apparatus
4327703,	Oct 09 1979		Method of preparing concrete column for attachment to beam
4417429,	Sep 12 1980		Freestanding stair assembly and riser therefor
4641467,	Jan 21 1986	DUPUIS MEMORIALS, INC	Column construction
4910940,	Aug 27 1977		Modular structural arrays
238688,
D246262,	Oct 22 1976		Combined aquarium and stand
D285844,	Mar 12 1984	ESCO DISTRIBUTORS, INC	Aquarium
D285845,	Mar 12 1984	ESCO DISTRIBUTORS, INC	Aquarium
D352118,	Aug 14 1992	ANDREW BERTON CREATIVE DESIGNS, INC	Pillar

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