Plastic air vent block Patent Grant Sigillo February 27, 2 [Lakewood Concrete Construction, Inc.]

Plastic air vent block

Sigillo February 27, 2

Patent Grant D537519

U.S. patent number D537,519 [Application Number D/223,425] was granted by the patent office on 2007-02-27 for plastic air vent block. This patent grant is currently assigned to Lakewood Concrete Construction, Inc.. Invention is credited to Daniel Sigillo.

United States Patent	D537,519
Sigillo	February 27, 2007

Plastic air vent block

Claims

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

Inventors:	Sigillo; Daniel (Brooksville, FL)
Assignee:	Lakewood Concrete Construction, Inc. (Brooksville, FL)
Appl. No.:	D/223,425
Filed:	February 14, 2005

Current U.S. Class:	D23/393
Current International Class:	2304
Field of Search:	;D23/412,388,331,335,345,346,349,350,260,261,114,393 ;D25/138,156

References Cited [Referenced By]

U.S. Patent Documents


D361378	August 1995	Mitchell
D377083	December 1996	Smolarski
D419661	January 2000	Keen et al.
D419662	January 2000	Keen et al.
D419663	January 2000	Keen et al.
D419664	January 2000	Keen et al.
D419665	January 2000	Keen et al.
D419666	January 2000	Keen et al.
D419667	January 2000	Keen et al.
D419668	January 2000	Keen et al.
D510997	October 2005	Berger
D517191	March 2006	Berger
D517192	March 2006	Berger

Primary Examiner: Zarfas; Louis
Assistant Examiner: Muller; David
Attorney, Agent or Firm: Miller; Stanley M.

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.

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