Blank for a contained vent and insulation baffle
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.
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 |
558,814 | June 1958 | CA |
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
International Classification: D2304;