Firebox intake hood

Description

FIG. 1 is a left front perspective view of a firebox intake hood, showing my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a side elevational view, the opposite side being substantially a mirror image thereof;

FIG. 4 is a rear elevational view, showing the rodent-proof screen;

FIG. 5 is a top plan view;

FIG. 6 is a bottom plan view; and,

FIG. 7 is a median vertical sectional view, taken on the line 7--7 in FIG. 5.

Referenced Cited
U.S. Patent Documents
2415471 February 1947 Dorfan
3623470 November 1971 Wilholte
3654913 April 1972 Derringer
4020823 May 3, 1977 Baumbach
Other references
  • Home Energy Digest Woodburning Quarterly, Summer 1978, p. 85, Johnson Energy Converter.
Patent History
Patent number: D261924
Type: Grant
Filed: Sep 21, 1979
Date of Patent: Nov 17, 1981
Inventor: Michael J. Donohue (Fair Oaks, CA)
Primary Examiner: Catherine E. Kemper
Law Firm: Lothrop & West
Application Number: 6/77,779
Classifications
Current U.S. Class: D23/127
International Classification: D2303;