Blank for a contained vent and insulation baffle

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Description

FIG. 1 is a top plan view of a blank for a combined vent and insulation baffle showing my new design, the bottom being a mirror image of the top shown;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a top plan view of a modified form of the blank for a combined vent and insulation baffle shown in FIG. 1; the bottom being a mirror image of the top shown;

FIG. 7 is a right side elevational view of FIG. 6;

FIG. 8 is a left side elevational view of FIG. 6;

FIG. 9 is a front elevational view of FIG. 6;

FIG. 10 is a rear elevational view of FIG. 6;

FIG. 11 is a top plan view of a second modified form of the blank for a combined vent and insulation baffle shown in FIG. 1, the bottom being a mirror image of the top shown;

FIG. 12 is a right side elevational view of FIG. 11;

FIG. 13 is a left side elevational view of FIG. 11;

FIG. 14 is a front elevational view of FIG. 11;

FIG. 15 is a rear elevational view of FIG. 11;

FIG. 16 is a top plan view of a third modified form of the blank for a combined vent and insulation baffle shown in FIG. 1, the bottom being a mirror image of the top shown;

FIG. 17 is a right side elevational view of FIG. 16;

FIG. 18 is a left side elevational view of FIG. 16;

FIG. 19 is a front elevational view of FIG. 16; and

FIG. 20 is a rear elevational view of FIG. 16.

Referenced Cited
U.S. Patent Documents
D218036 July 1970 Sehirm
D232310 August 1974 Franco
D233344 October 1974 Holt et al.
D241033 August 1976 Franco
1523970 January 1925 Jakob
2283257 May 1942 Jorsch
2318820 May 1943 Voigt et al.
2477152 July 1949 Stevenson
3160987 December 1964 Pinkley
3186524 June 1965 Spaeth, Jr.
3236170 February 1966 Meyer et al.
3240144 March 1966 Lind
3683785 August 1972 Grange
3797180 March 1974 Grange
3863553 February 1975 Koontz
3972164 August 3, 1976 Grange
3972164 August 3, 1976 Grange
Foreign Patent Documents
558,814 June 1958 CA
Patent History
Patent number: D247628
Type: Grant
Filed: Dec 1, 1976
Date of Patent: Mar 28, 1978
Inventor: Bruce K. Ward (St. Louis Park, MN)
Primary Examiner: James R. Largen
Attorney: Richard O. Bartz
Application Number: 5/746,526
Classifications
Current U.S. Class: D23/137
International Classification: D2304;