Spark arrestor apparatus

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Description

FIG. 1 is a top plan view of the novel spark arrestor apparatus;

FIG. 2 is a side (either) elevational view thereof;

FIG. 3 is a frontal (or rear) elevational view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a perspective view thereof.

Referenced Cited
U.S. Patent Documents
561695 June 1896 Bright
4386571 June 7, 1983 Dortzbach
Other references
  • Heatilator Inc. Adv. Brochure, back cover, Square Chase Cap Chimney Termination A, lower right side of page.
Patent History
Patent number: D343700
Type: Grant
Filed: May 4, 1992
Date of Patent: Jan 25, 1994
Assignee: New England Ventilation Technologies (Newport, VT)
Inventor: Donald L. Griffes (East Charleston, VT)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Lisa Lichtenstein
Attorney: Thomas N. Neiman
Application Number: 7/877,785
Classifications
Current U.S. Class: Fireplace Element Not Elsewhere Specified (D23/403)