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United States Patent D795,437
Cai ,   et al. August 22, 2017

Disposable polymer-structured filter

Claims


CLAIM The ornamental design for a disposable polymer-structured filter, as shown and described.
Inventors: Cai; Jianjian (Dover, MA), Liu; Xiaogao (Dover, MA)
Applicant:
Name City State Country Type

Cai; Jianjian
Liu; Xiaogao

Dover
Dover

MA
MA

US
US
Assignee: CHEMRUS INC. (Dover, MA)
Appl. No.: D/511,788
Filed: December 13, 2014

Related U.S. Patent Documents

Application NumberFiling DatePatent NumberIssue Date
12461474Mar 17, 20158978897

Current U.S. Class: D24/162; D24/232
Current International Class: 2401
Field of Search: ;D24/232,162,231,224,121,108 ;D7/700 ;D23/207,209

References Cited [Referenced By]

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 1981 Simon et al.
4301010 November 1981 Eddleman et al.
4523934 June 1985 Joshua
4678576 July 1987 Leoncavallo
D310123 August 1990 Carlson
5043082 August 1991 Hermann, Jr.
5308483 May 1994 Sklar et al.
5695639 December 1997 Johnson
5948246 September 1999 Zuk, Jr.
6443314 September 2002 Shiraiwa et al.
6623631 September 2003 Graus et al.
6719896 April 2004 Clark
6770203 August 2004 Leoncavallo et al.
6776294 August 2004 Lemonnier
7798333 September 2010 Zuk, Jr.
2007/0144959 June 2007 Zuk
2014/0291234 October 2014 Chi
2015/0190739 July 2015 Cai
Foreign Patent Documents
321064 Jun 1989 EP
0 815 915 Jul 1998 EP
WO 95/04585 Feb 1995 WO
WO 2007/028157 Mar 2007 WO
Primary Examiner: Laymon; Wan
Attorney, Agent or Firm: Steptoe & Johnson LLP

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.

* * * * *

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