Wall mounted ventilation fan door
Description
FIG. 1 is a front perspective view of a wall mounted ventilation fan door showing my new design;
FIG. 2 is a rear perspective view;
FIG. 3 is a front view;
FIG. 4 is a rear view;
FIG. 5 is a top view;
FIG. 6 is a bottom view;
FIG. 7 is a left side view; and
FIG. 8 is a right side view thereof.
Referenced Cited
U.S. Patent Documents
Other references
304356 | September 1884 | Perry |
1275549 | August 1918 | Frere |
1514643 | November 1924 | Wine |
1677910 | July 1928 | Wills |
1687843 | October 1928 | Miller |
1713648 | May 1929 | Feinberg |
1735430 | November 1929 | Girand |
1761250 | June 1930 | Baltes |
2035234 | March 1936 | Hoper |
2084807 | June 1937 | Hueglin |
2398017 | April 1946 | Lidin |
- 1981 Sweets Catalog File, 8.12/KA, p. 1.
Patent History
Patent number: D302311
Type: Grant
Filed: Nov 19, 1986
Date of Patent: Jul 18, 1989
Inventor: Norman B. Buck (Salisbury, NC)
Primary Examiner: A. Hugo Word
Attorney: Terry M. Gernstein
Application Number: 6/932,397
Type: Grant
Filed: Nov 19, 1986
Date of Patent: Jul 18, 1989
Inventor: Norman B. Buck (Salisbury, NC)
Primary Examiner: A. Hugo Word
Attorney: Terry M. Gernstein
Application Number: 6/932,397
Classifications
Current U.S. Class:
D25/48