USD231356S - Combined access door and frame therefor - Google Patents

Description

United States Patent 0 Des. 231,356 Patented Apr. 16, 1974 COMBINED ACCESS DOOR AND FRAME THEREFOR John C. Kurz, Philadelphia, Pa., assignor to Advanced Air, Inc., Philadelphia, Pa.

Filed Dec. 8, 1971, Ser. No. 206,230

Term of patent 14 years Int. Cl. D23-04 US. Cl. D23-163 FIG. 2

FIG. 6

FIG.4 FIG-7 Iclaim:

FIG. 1 is an exploded view of a combined access door and frame therefor showing my new design, the air duct being shown in broken lines for illustrative purposes only.

FIG. 2 is an enlarged bottom plan view thereof.

FIGS. 3 and 4 are respectively enlarged end and side elevational views thereof.

FIG. 5 is an enlarged top plan view of the door, the frame being omitted for purposes of illustration.

FIGS. 6 and 7 are respectively enlarged end and side elevational view of the door, the frame being omitted for purposes of illustration.

FIG. 8 is a bottom perspective view of the combined access door and frame therefor.

The ornamental design for a combined access door and frame therefor, as shown and described.

References Cited UNITED STATES PATENTS 2,279,005 4/1942 McMahan 114-1 17 X 1,922,494 8/1933 Nelson 49488 X 2,156,110 4/1939 Brukner 49465 X 3,376,669 4/1968 Johnston 49463 X WALLACE R. BURKE, Primary Examiner S. I. MERCER, Assistant Examiner

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