Ventilation grille

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Description

FIG. 1 is a perspective view of the ornamental design for a ventilation grille.

FIG. 2 is a plan view thereof.

FIG. 3 is a bottom view thereof, the top view being identical; and,

FIG. 4 is a left side view thereof, the right side being identical.

Referenced Cited
U.S. Patent Documents
D318 September 1850 Tuttle et al.
D320 September 1850 Tuttle et al.
D23934 January 1895 Hardenbergh
D30568 April 1899 Ulberg
D30569 April 1899 Ulberg
D31446 August 1899 Vanderloo
D34348 April 1901 Ulberg
D140499 March 1945 Curtis
D361378 August 15, 1995 Mitchell
D377083 December 31, 1996 Smolarski
D407480 March 30, 1999 Leiter et al.
Patent History
Patent number: D419663
Type: Grant
Filed: Jan 22, 1999
Date of Patent: Jan 25, 2000
Inventors: Debra J. Keen (Fort Worth, TX), Diane F. Hayes (Ft. Worth, TX)
Primary Examiner: Mitchell Siegel
Attorney: Mark D. Perdue
Application Number: 0/99,493
Classifications
Current U.S. Class: Vent, Ductwork, Or Element Thereof (D23/393)
International Classification: 2304;