Duct assembly

- Dialysis Systems, Inc.
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Description

FIG. 1 is a front elevation of the duct assembly of Applicant's invention.

FIG. 2 is a right side elevation of the duct assembly of Applicant's invention, the left side being a mirror image thereof.

FIG. 3 is a top view of the duct assembly of Applicant's invention; and,

FIG. 4 is a bottom view of the duct assembly of Applicant's invention.

There is no rear view shown, the same being unornamented and not visible in normal use of the invention.

The dashed lines are provided to show surrounding background and are not a part of the design.

Claims

What is claimed is the ornamental design for a duct assembly, as shown and described.

Referenced Cited
U.S. Patent Documents
2355629 August 1944 Carrier
3461220 August 1969 Hukin
3473278 October 1969 Gossen
3721762 March 1973 Gooding
5165453 November 24, 1992 Walker, Jr.
5274972 January 4, 1994 Hansen
5704175 January 6, 1998 Lewis
5732747 March 31, 1998 Holliday
5901512 May 11, 1999 Bullwinkle
Patent History
Patent number: D443925
Type: Grant
Filed: Jun 24, 1999
Date of Patent: Jun 19, 2001
Assignee: Dialysis Systems, Inc. (Nashville, TN)
Inventors: Michael J. Peterson (Nashville, TN), H. Earl Ginn (Nashville, TN)
Primary Examiner: Mitchell Siegel
Attorney, Agent or Law Firms: Waddey & Patterson, Lucian Wayne Beavers
Application Number: 29/106,965
Classifications
Current U.S. Class: Vent, Ductwork, Or Element Thereof (D23/393)
International Classification: 2399;