Filter block

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Description

FIG. 1 is a top plan view of the new and ornamental design for a filter block;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a cross sectional view thereof, taken along section line 4—4 of FIG. 1;

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

FIG. 6 is a cross sectional view thereof, taken along section lines 6—6 of FIG. 1. parallel to the side view thereof.

Claims

The ornamental design for a filter block, as shown and described.

Referenced Cited
U.S. Patent Documents
3747751 July 1973 Miller et al.
5906796 May 25, 1999 Blevins et al.
5993745 November 30, 1999 Laska
6200533 March 13, 2001 Blevins et al.
6338802 January 15, 2002 Bodner et al.
6723236 April 20, 2004 Fisk et al.
6830732 December 14, 2004 Hoffman et al.
20010001643 May 24, 2001 Simpson et al.
Patent History
Patent number: D529184
Type: Grant
Filed: Feb 18, 2005
Date of Patent: Sep 26, 2006
Assignees: The Automation Partnership (Cambridge) , Thermogenic Imaging Inc. (North Billerica, MA)
Inventors: Adrian Neil Bargh (London), Timothy Iain Mead (Cambridgeshire), Scott Morley (Belchertown, MA), Yevgeniy Margolin (Medfield, MA)
Primary Examiner: Robert A. Delehanty
Assistant Examiner: Mark Cavanna
Attorney: George R. McGuire
Application Number: 29/223,777