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)