Blank for a combined vent and baffle

Description

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

FIG. 2 is a right side elevational view thereof, the left side being the same as the right side shown;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a bottom view of FIG. 1;

FIG. 5 is a top plan view of a modified form of the blank for a combined vent and baffle shown in FIG. 1, the bottom being a mirror image of the top shown;

FIG. 6 is a right side elevational view of FIG. 5, the left side being the same as the right side shown;

FIG. 7 is a top view of FIG. 5;

FIG. 8 is a bottom view of FIG. 5;

FIG. 9 is a top plan view of a second modified form of the blank for a combined vent and baffle shown in FIG. 1, the bottom being a mirror image of the top shown;

FIG. 10 is a right side elevational view of FIG. 9, the left side being the same as the right side shown;

FIG. 11 is a top view of FIG. 9;

FIG. 12 is a bottom view of FIG. 9;

FIG. 13 is a top plan view of a third modified form of the blank for a combined vent and baffle shown in FIG. 1, the bottom being a mirror image of the top shown;

FIG. 14 is a right side elevational view of FIG. 13, the left side being the same as the right side shown;

FIG. 15 is a top view of FIG. 13; and

FIG. 16 is a bottom view of FIG. 13.

Referenced Cited
U.S. Patent Documents
D247628 March 28, 1978 Ward
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 Grango
4102092 July 25, 1978 Ward
Foreign Patent Documents
558814 June 1958 CAX
Patent History
Patent number: D255925
Type: Grant
Filed: Mar 20, 1978
Date of Patent: Jul 15, 1980
Inventor: Bruce K. Ward (St. Louis Park, MN)
Primary Examiner: James R. Largen
Attorney: Richard O. Bartz
Application Number: 5/888,520
Classifications
Current U.S. Class: D23/139; D23/163
International Classification: D2304;