Assisting mullion for curtain wall connection

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Description

FIG. 1 is a front elevational view of an assisting mullion for curtain wall connection showing my new design, the rear is identical thereto;

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof;

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

FIG. 5 is a bottom plan view thereof.

The length of the assisting mullion for curtain wall connection is not claimed.

Claims

The ornamental design for an assisting mullion for curtain wall connection, as shown and described.

Referenced Cited
U.S. Patent Documents
2976969 March 1961 Gillespie
6032423 March 7, 2000 Takemura et al.
D450135 November 6, 2001 Roberts et al.
6351915 March 5, 2002 Puckett
D473661 April 22, 2003 Kim
D501937 February 15, 2005 Mitrevics
D508741 August 23, 2005 Mitrevics
6993873 February 7, 2006 Biebuyck et al.
7891147 February 22, 2011 Bruder
20040031220 February 19, 2004 Hocker et al.
Patent History
Patent number: D666310
Type: Grant
Filed: Dec 16, 2011
Date of Patent: Aug 28, 2012
Assignee: Shenyang Yuanda Aluminium Industry Engineering Co., Ltd. (Shenyang)
Inventor: Yu Zhao (Shenyang)
Primary Examiner: Doris Clark
Application Number: 29/408,749