Disposable polymer-structured filter

- CHEMRUS INC.
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Description

FIG. 1 is a side view of a disposable polymer-structured filter;

FIG. 2 is a top view thereof; and,

FIG. 3 is a bottom view thereof.

Claims

The ornamental design for a disposable polymer-structured filter, as shown and described.

Referenced Cited
U.S. Patent Documents
65515 June 1867 Spencer
1487824 March 1924 Vincent
1501073 July 1924 Stead
1727195 September 1929 Black
2449238 September 1948 Lightfoot, Jr.
3295686 January 1967 Krueger
3437211 April 1969 Lindsey
3463322 August 1969 Gerarde
3788483 January 1974 Conway
3838978 October 1974 Eddleman et al.
4251366 February 17, 1981 Simon et al.
4301010 November 17, 1981 Eddleman et al.
4523934 June 18, 1985 Joshua
4678576 July 7, 1987 Leoncavallo
D310123 August 21, 1990 Carlson
5043082 August 27, 1991 Hermann, Jr.
5308483 May 3, 1994 Sklar et al.
5695639 December 9, 1997 Johnson
5948246 September 7, 1999 Zuk, Jr.
6443314 September 3, 2002 Shiraiwa et al.
6623631 September 23, 2003 Graus et al.
6719896 April 13, 2004 Clark
6770203 August 3, 2004 Leoncavallo et al.
6776294 August 17, 2004 Lemonnier
7798333 September 21, 2010 Zuk, Jr.
20070144959 June 28, 2007 Zuk, Jr.
20140291234 October 2, 2014 Chi
20150190739 July 9, 2015 Cai
Foreign Patent Documents
321064 June 1989 EP
0 815 915 July 1998 EP
WO 95/04585 February 1995 WO
WO 2007/028157 March 2007 WO
Patent History
Patent number: D782681
Type: Grant
Filed: Dec 13, 2014
Date of Patent: Mar 28, 2017
Assignee: CHEMRUS INC. (Dover, MA)
Inventors: Jianjian Cai (Dover, MA), Xiaogao Liu (Dover, MA)
Primary Examiner: Wan Laymon
Application Number: 29/511,787