Portion of ductwork

Description

The present application is related to U.S. Ser. No. 11/088,541, entitled Gasket Sealing System for Ductwork and U.S. Design Ser. No. 29/226,157, entitled Portion of Ductwork, filed on even date herewith.

FIG. 1 is a perspective view of a portion of ductwork incorporating the design of our new invention according to a first embodiment;

FIG. 2 is a side view of the portion of ductwork of FIG. 1, the top, bottom and other side views thereof being identical;

FIG. 3 is a front view of the portion of ductwork of FIG. 1;

FIG. 4 is a rear view of the portion of ductwork of FIG. 1;

FIG. 5 is a cross-sectional view taken along line 5--5 of FIG. 4;

FIG. 6 is a perspective view of a portion of ductwork incorporating the design of our new invention according to a second embodiment;

FIG. 7 is a side view of the portion of ductwork of FIG. 6, the top, bottom and other side views thereof being identical;

FIG. 8 is a front view of the portion of ductwork of FIG. 6;

FIG. 9 is a rear view of the portion of ductwork of FIG. 6; and,

FIG. 10 is a cross-sectional view taken along line 10--10 of FIG. 9.

The features of the portion of ductwork shown in phantom lines are not elements of the design of our new invention.

Claims

CLAIM The ornamental design for a portion of ductwork, as shown and described.

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Inventors:	Sandman; Michael N. (Morrow, OH), Sandman; Joseph P. (Morrow, OH)
Assignee:	Langdon Incorporated (Cinncinnati, OH)
Appl. No.:	D/226,140
Filed:	March 24, 2005

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Current U.S. Class:	D23/393
Current International Class:	2304
Field of Search:	;D23/393,259,262-263,386-391 ;138/111-117,DIG.4,DIG.11,177 ;285/47,123.15,123.16,110,374,347,232-234,123.1,123.3-123.7,123.9,122.1,125.1,129.1,129.2,131.1,132.1,133.11,133.3

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References Cited [Referenced By]

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Primary Examiner: Oliver; Catherine R.
Attorney, Agent or Firm: Wood, Herron & Evans, LLP