Ventilation unit

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Description

FIG. 1 is a perspective view of the inventive ventilation unit;

FIG. 2 is an end elevational view of the ventilation unit, the opposite end being a mirror image of that shown;

FIG. 3 is a front elevational view of the ventilation unit;

FIG. 4 is a side elevational view of the ventilation unit, the opposite side being a mirror image of that shown; and,

FIG. 5 is a back view of the ventilation unit.

Referenced Cited
U.S. Patent Documents
3672291 June 1972 Kujawa, Jr.
3839950 October 1974 Kelly et al.
4452129 June 5, 1984 Kelley et al.
Other references
  • Pages From Product Brochure, Salem Vent International, Inc., Illustrating Prior Art Ventilation Unit.
Patent History
Patent number: D390943
Type: Grant
Filed: Jun 11, 1996
Date of Patent: Feb 17, 1998
Inventor: Timothy A. Kelly (Salem, VA)
Primary Examiner: Lisa Lichtenstein
Law Firm: Dority & Manning, P.A.
Application Number: 0/55,683
Classifications
Current U.S. Class: Roof Or Chimney (D23/373); Element Or Attachment, Not Elsewhere Specified (D23/386)
International Classification: 2304;