Air heater

- Synlix Electrical Ltd.

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Description

FIG. 1 is a perspective view of an air heater showing my new design;

FIG. 2 is a front elevation view thereof, on a reduced scale;

FIG. 3 is a rear elevation view thereof, on a reduced scale;

FIG. 4 is a left side elevation view thereof, on a reduced scale;

FIG. 5 is a right side elevation view thereof, on a reduced scale;

FIG. 6 is a top plan view thereof, on a reduced scale;

FIG. 7 is a bottom plan view thereof, on a reduced scale;

Referenced Cited
U.S. Patent Documents
D87100 June 1932 Booth
D227367 June 1973 Schaefer
4737616 April 12, 1988 Wen-Ying
Foreign Patent Documents
58803 November 1967 DDX
Other references
  • Markel Electric Products, Inc., Adv. Brochure, p. 3, .circle.1 Hi-Wattage Heetaire, right middle side of page. McGraw-Edison Co. Adv. Brochure, p. 2, Toastmaster Heavy Duty Heater Model H940, lower left side of page, Heating Equipment Box III, in Examiner Lichtenstein's Office. Hardware Age, Jul. 31, 1958, p. 40, General Electric Automatic Heater, Model H-4, lower left side of page, Heating Equipment Box III, in Examiner Lichtenstein's Office. Home Furnishings Daily, 8/5/65, p. 26, Automatic Fault Heater, left bottom side of page, Heating Equipment Box III, in Examiner Lichtenstein's Office.
Patent History
Patent number: D312302
Type: Grant
Filed: Sep 28, 1988
Date of Patent: Nov 20, 1990
Assignee: Synlix Electrical Ltd.
Inventor: Jack Fan (Hou Li)
Primary Examiner: James M. Gandy
Assistant Examiner: Lisa Lichtenstein
Law Firm: Brumbaugh, Graves, Donohue & Raymond
Application Number: 7/250,816
Classifications
Current U.S. Class: Heating Element Protected By Grille, Grid, Etc. (D23/335)