Plastic air vent block

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Description

FIG. 1 is a top side perspective view of a plastic air vent block, showing my new design;

FIG. 2 is a bottom side perspective view thereof;

FIG. 3 is a side elevational view thereof;

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

FIG. 5 is a bottom plan view thereof.

Claims

The ornamental design for a plastic air vent block, as shown and described.

Referenced Cited
U.S. Patent Documents
D361378 August 15, 1995 Mitchell
D377083 December 31, 1996 Smolarski
D419661 January 25, 2000 Keen et al.
D419662 January 25, 2000 Keen et al.
D419663 January 25, 2000 Keen et al.
D419664 January 25, 2000 Keen et al.
D419665 January 25, 2000 Keen et al.
D419666 January 25, 2000 Keen et al.
D419667 January 25, 2000 Keen et al.
D419668 January 25, 2000 Keen et al.
D510997 October 25, 2005 Berger
D517191 March 14, 2006 Berger
D517192 March 14, 2006 Berger
Patent History
Patent number: D537519
Type: Grant
Filed: Feb 14, 2005
Date of Patent: Feb 27, 2007
Assignee: Lakewood Concrete Construction, Inc. (Brooksville, FL)
Inventor: Daniel Sigillo (Brooksville, FL)
Primary Examiner: Louis Zarfas
Assistant Examiner: David Muller
Attorney: Stanley M. Miller
Application Number: 29/223,425
Classifications
Current U.S. Class: Vent, Ductwork, Or Element Thereof (D23/393)