Air heater

- Duracraft Corp.
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Description

FIG. 1 is a front view of the embodiment 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.

Referenced Cited
U.S. Patent Documents
D316446 April 23, 1991 Lee
D343230 January 11, 1994 Lim
D354343 January 10, 1995 Goldstein
D358636 May 23, 1995 Bucher et al.
Other references
  • Hong Kong Enterprise Jun. 1993, p. 613, Heater A, top left side of page.
Patent History
Patent number: D371834
Type: Grant
Filed: Aug 11, 1995
Date of Patent: Jul 16, 1996
Assignee: Duracraft Corp. (Southborough, MA)
Inventor: Richard O'Grady (Southington, CT)
Primary Examiner: Lisa P. Lichtenstein
Law Firm: Pennie & Edmonds
Application Number: 0/42,502