Gas appliance vent adapter

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Description

FIG. 1 is a side elevational view of the gas appliance vent adapter;

FIG. 2 is a top perspective view thereof;

FIG. 3 is a bottom perspective view thereof;

FIG. 4 is a side elevational view a second embodiment of the gas appliance vent adapter as disclosed in FIG. 1;

FIG. 5 is a top perspective view of FIG. 4;

FIG. 6 is a bottom perspective view of FIG. 4;

FIG. 7 is a side elevational view a third embodiment of the gas appliance vent adapter as disclosed in FIG. 1;

FIG. 8 is a top perspective view of FIG. 7; and,

FIG. 9 is a bottom perspective view of FIG. 7.

Referenced Cited
U.S. Patent Documents
D264499 May 18, 1982 Lundy
D271238 November 1, 1983 Valencia
D300076 February 28, 1989 Evans
D346020 April 12, 1994 Kellogg et al.
D358204 May 9, 1995 Ferrier
5357686 October 25, 1994 Jensen
Patent History
Patent number: D417497
Type: Grant
Filed: Feb 18, 1998
Date of Patent: Dec 7, 1999
Assignee: Wolf Steel Limited (Ontario)
Inventors: Wolfgang Schroeter (Midhurst), Cliff Lilley (Anten Mills), Roger Gripton (Hillsdale), John F. Kennedy (Orillia)
Primary Examiner: Mitchell Siegel
Law Firm: Merek & Voorhees
Application Number: 0/83,762
Classifications
Current U.S. Class: Vent, Ductwork, Or Element Thereof (D23/393)
International Classification: 2399;