Air heater

- Duracraft Corp.
Description

FIG. 1 is a front view of the air heater;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The cross-hatching in FIGS. 1, 3, and 4 represents screening and is understood to extend throughout the areas represented.

Referenced Cited
U.S. Patent Documents
D343230 January 11, 1994 Lim
Other references
  • Hong Kong Enterprise Jun. 1993, p. 613, Heater A, top left side of page.
Patent History
Patent number: D374276
Type: Grant
Filed: May 6, 1994
Date of Patent: Oct 1, 1996
Assignee: Duracraft Corp. (Southborough, MA)
Inventor: Richard O'Grady (Southington, CT)
Primary Examiner: Lisa P. Lichtenstein
Law Firm: Pennie & Edmonds
Application Number: 0/22,530