Door closer

- Dorma GmbH + Co, KG
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Description

FIG. 1 is a perspective view of a door closer;

FIG. 2 is a top view thereof;

FIG. 3 is a front view;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof; and,

FIG. 6 is a bottom view thereof.

Claims

The ornamental design for a door closer, as shown and described.

Referenced Cited
U.S. Patent Documents
3777423 December 1973 Coulter et al.
3877108 April 1975 Del Fiacco
3905063 September 1975 Coulter et al.
D241003 August 1976 Meisner
4286412 September 1, 1981 Stevens
D364081 November 14, 1995 Yates et al.
D420992 February 22, 2000 Hu
6591551 July 15, 2003 Winkler
D491787 June 22, 2004 Homberg
D493352 July 27, 2004 Homberg
Patent History
Patent number: D587092
Type: Grant
Filed: Nov 2, 2006
Date of Patent: Feb 24, 2009
Assignee: Dorma GmbH + Co, KG (Ennepetal)
Inventor: Georg Kaluza (Velbert)
Primary Examiner: Prabhakar Deshmukh
Attorney: Cohen Pontani Lieberman & Pavane LLP
Application Number: 29/268,284
Classifications
Current U.S. Class: D8/330