Sill for single and double hung window

- CertainTeed Corporation
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Description

The FIGURE is a front perspective view of a sill for single and double hung window showing our new design, the rear perspective view being a mirror image thereof, and is shown fragmented indicating indefinite length.

Claims

The ornamental design for a sill for single and double hung window, as shown and described.

Referenced Cited
U.S. Patent Documents
D380561 July 1, 1997 Colitto
D391649 March 3, 1998 Opielski et al.
D402058 December 1, 1998 Leonelli
4048774 September 20, 1977 Yamamoto
4503641 March 12, 1985 Swan
4793114 December 27, 1988 Pacca
Patent History
Patent number: D449388
Type: Grant
Filed: Feb 14, 2000
Date of Patent: Oct 16, 2001
Assignee: CertainTeed Corporation (Valley Forge, PA)
Inventors: Jerome Carl Habeck (Holt, MI), Dennis C. Westphal (Parma, MI), David S. Levine (King of Prussia, PA), Stanley Gursky (Yardley, PA)
Primary Examiner: Doris Clark
Attorney, Agent or Law Firm: Duane Morris & Heckscher LLP
Application Number: 29/118,687
Classifications
Current U.S. Class: With Hollow Core (D25/124)
International Classification: 2501;