Ventilation apparatus

- Stego-Holding GmbH
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Description

FIG. 1 is an upper side perspective view of a ventilation apparatus in accordance with our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 a rear elevation view thereof;

FIG. 4 is a right-side elevation view thereof;

FIG. 5 is a left-side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Claims

The ornamental design for a ventilation apparatus, as shown and described.

Referenced Cited
U.S. Patent Documents
3725640 April 1973 Kunz
D291484 August 18, 1987 Stutzer et al.
D333866 March 9, 1993 Wang
D376418 December 10, 1996 Wang
D393704 April 21, 1998 Chiu et al.
D400239 October 27, 1998 Miller et al.
D414853 October 5, 1999 Hyon
6022270 February 8, 2000 Bascaran et al.
6082127 July 4, 2000 Correa
6321034 November 20, 2001 Jones-Lawlor et al.
D497420 October 19, 2004 Grey
D508118 August 2, 2005 Motonishi et al.
D521132 May 16, 2006 Blateri
Patent History
Patent number: D536779
Type: Grant
Filed: Aug 1, 2005
Date of Patent: Feb 13, 2007
Assignee: Stego-Holding GmbH (Schwäbisch Hall)
Inventors: Ulrich Lerche (Michelfeld), Robert Dent (Schwabisch Hall)
Primary Examiner: Louis Zarfas
Assistant Examiner: David Muller
Attorney: Akin Gump Strauss Hauer & Feld, LLP
Application Number: 29/235,356
Classifications
Current U.S. Class: Vent, Ductwork, Or Element Thereof (D23/393)