Door structure
FIG. 1 is a perspective view of the door structure taken from a point forwardly of and upwardly to the left of the forwardly facing front surface of the door structure.
FIG. 2 is a perspective view of the door structure shown in FIG. 1 taken from a point rearwardly of and downwardly to the left of the rearwardly facing rear surface of the door structure.
FIG. 3 is a horizontal cross-sectional view of the door structure shown in FIGS. 1 and 2 taken along the line 3--3.
FIG. 4 is a horizontal cross-sectional view of the door structure shown in FIGS. 1 and 2 taken along the line 4--4.
FIG. 5 is a vertical cross-sectional view of the door structure shown in FIGS. 1 and 2 taken along the line 5--5.
FIG. 6 is a horizontal cross-sectional view of the door structure shown in FIGS. 1 and 2 taken along the line 6--6.
| D182509 | April 1958 | Etling |
| D201873 | August 1965 | Damiani |
| 2818145 | December 1957 | Bragman et al. |
| 3002592 | October 1961 | Quinn |
| 3086628 | April 1963 | Robinson |
| 4106238 | August 15, 1978 | Bonello |
Type: Grant
Filed: Apr 7, 1981
Date of Patent: Sep 13, 1983
Inventors: Ernesto Cascone (Downsview, Ontario), Vincent Cascone (Richmond Hill, Ontario)
Primary Examiner: A. Hugo Word
Attorney: Weldon F. Green
Application Number: 6/251,991
International Classification: D2502;
