Airflow spacing plate

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Description

FIG. 1 is a perspective view of my new design for an airflow spacing plate;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a enlarged fagmented cross-sectional view thereof as taken along line 4--4 of FIG. 2;

FIG. 5 is another enlarged fragmented cross-sectional view thereof as taken along line 5--5 of FIG. 2;

FIG. 6 is yet another enlarged fragmented cross-sectional view thereof as taken along line 6--6 of FIG. 2; and

FIG. 7 is a front view of FIG. 1;

FIG. 8 is a rear view of FIG 1;

FIG. 9 is a right side view of FIG. 1; and

FIG. 10 is a left side view of FIG. 1.

Referenced Cited
U.S. Patent Documents
RE27378 May 1972 Lohn
2966150 December 1960 Wiltshire et al.
3943900 March 16, 1976 Primrose
4167166 September 11, 1979 Varner et al.
4415507 November 15, 1983 Voliva
5619960 April 15, 1997 Spacing Block
Patent History
Patent number: D416618
Type: Grant
Filed: Oct 28, 1998
Date of Patent: Nov 16, 1999
Inventor: Scott Birmingham (Everett, MA)
Primary Examiner: Mitchell Siegel
Law Firm: Barlow,Josephs & Holmes, Ltd.
Application Number: 0/95,660
Classifications
Current U.S. Class: Element Or Attachment, Not Elsewhere Specified (D23/386)
International Classification: 2399;