Disposable polymer-structured filter
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Description
Claims
The ornamental design for a disposable polymer-structured filter, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign 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 |
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
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
Classifications