Ventilating heater
Description
FIG. 1 is a front and right side perspective view of a ventilating heater showing our new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a left side elevation view thereof;
FIG. 5 is a top plan view thereof; and
FIG. 6 is a bottom plan view thereof.
The broken-line showing of a power cord, in FIGS. 1, 2, 4, 5 and 6, and of a handle in FIGS. 1, 4, and 5, is for illustrative purposes only and forms no part of the claimed design.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
2158605 | May 1939 | Wiegand |
2456881 | December 1948 | Leather |
3976393 | August 24, 1976 | Larson |
212297 | August 1984 | DDX |
- Grainger's Spring '86 Cat., p. 1353, Hog House Exhaust Fan, outside view, top left side of page.
Patent History
Patent number: D314425
Type: Grant
Filed: Sep 19, 1989
Date of Patent: Feb 5, 1991
Inventors: Allan E. Beavers (Grand Junction, CO), Robert A. Fulcher (Grand Junction, CO)
Primary Examiner: James M. Gandy
Assistant Examiner: Lisa Lichtenstein
Attorney: Donald W. Erickson
Application Number: 7/409,592
Type: Grant
Filed: Sep 19, 1989
Date of Patent: Feb 5, 1991
Inventors: Allan E. Beavers (Grand Junction, CO), Robert A. Fulcher (Grand Junction, CO)
Primary Examiner: James M. Gandy
Assistant Examiner: Lisa Lichtenstein
Attorney: Donald W. Erickson
Application Number: 7/409,592
Classifications
Current U.S. Class:
Heating Element Protected By Grille, Grid, Etc. (D23/335);
Circular Grille (D23/382)