Combined vent and block baffle

Description

FIG. 1 is a top plan view of a first modification of a combined vent and block baffle of my new design;

FIG. 2 is a side elevational view of FIG. 1; the opposite side of FIG. 1 is a mirror image of FIG. 2;

FIG. 3 is a bottom plan view of FIG. 1;

FIG. 4 is an end view of the left view of FIG. 1;

FIG. 5 is an end view of the right end of FIG. 1;

FIG. 6 is a top plan view of a second modification of a combined vent and block baffle of my design;

FIG. 7 is a side view of the left side of FIG. 6;

FIG. 8 is a bottom plan view of FIG. 6;

FIG. 9 is an end view of the left end of FIG. 6;

FIG. 10 is an end view of the right end of FIG. 6;

FIG. 11 is a top plan view of a third modification of a combined vent and block baffle of my new design;

FIG. 12 is a side view of the left side of FIG. 11; the right side of FIG. 11 is a mirror image of FIG. 12;

FIG. 13 is a bottom plan view of FIG. 11;

FIG. 14 is an end view of the left end of FIG. 11;

FIG. 15 is an end view of the right end of FIG. 11;

FIG. 16 is a top plan view of a fourth modification of a combined vent and block baffle of my new design;

FIG. 17 is a side view of the left side of FIG. 16;

FIG. 18 is a bottom plan view of FIG. 16;

FIG. 19 is an end view of the left end of FIG. 16;

FIG. 20 is an end view of the right end of FIG. 16.

Referenced Cited
U.S. Patent Documents
3160987 December 1964 Pinkley
3683785 August 1972 Grange
3863553 February 1975 Koontz
3972164 August 3, 1976 Grange
4050364 September 27, 1977 Maus
Patent History
Patent number: D249704
Type: Grant
Filed: Dec 13, 1976
Date of Patent: Sep 26, 1978
Inventor: Bruce K. Ward (St. Louis Park, MN)
Primary Examiner: A. Hugo Word
Attorney: Richard O. Bartz
Application Number: 5/749,834
Classifications
Current U.S. Class: D23/163; D25/80; D25/97
International Classification: D2304;