Filter cartridge
Latest 3M Innovative Properties Company Patents:
Description
The broken lines, showing portions of a filter cartridge, are included for the purpose of illustrating environmental structure and form no part of the claimed design.
Claims
The ornamental design for a filter cartridge, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
2295119 | September 1942 | Malcom et al. |
2733776 | February 1956 | Garelick |
2744523 | May 1956 | Malcom, Jr. et al. |
3142549 | July 1964 | Klusewitz et al. |
3161491 | December 1964 | Gongoll et al. |
4207882 | June 17, 1980 | Lemere |
RE35062 | October 17, 1995 | Brostrom et al. |
5579761 | December 3, 1996 | Yuschak et al. |
6044842 | April 4, 2000 | Pereira et al. |
6298849 | October 9, 2001 | Scholey et al. |
6408845 | June 25, 2002 | Pereira et al. |
D477401 | July 15, 2003 | Petherbridge et al. |
6761169 | July 13, 2004 | Eswarappa |
RE39493 | February 27, 2007 | Yuschak et al. |
7559323 | July 14, 2009 | Hacke et al. |
20060283453 | December 21, 2006 | Haddad |
- North Safety Respiratory Protection Catalog, p. 16, retrieved from the internet on Jan. 19, 2009, http://www.linkpath.com/index2gisufrm.php?t=N1.
- 3M 2091 Filter Cartridge.
- 3M 2135 Filter Cartridge.
- 3M 60921 Filter Cartridge.
- 3M 7001K-100 Filter Cartridge.
- AOSafety Conform 8000 Filter Cartridge.
- MSA Flexi-Filter P100 Filter Cartridge.
- North 75FFP100 Filter Cartridge.
- North 75FFP100 Filter Cartridge—discontinued version.
- Product sample of Conwed Thermanet.
- Conwed Thermanet® web literature, retrieved from the Internet on Jul. 8, 2009, http://www.conwedplastics.com/productdetail.asp?DocID=136.
Patent History
Patent number: D652910
Type: Grant
Filed: Feb 2, 2009
Date of Patent: Jan 24, 2012
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventor: Dean R. Duffy (Woodbury, MN)
Primary Examiner: Wan Laymon
Attorney: Karl G. Hanson
Application Number: 29/331,804
Type: Grant
Filed: Feb 2, 2009
Date of Patent: Jan 24, 2012
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventor: Dean R. Duffy (Woodbury, MN)
Primary Examiner: Wan Laymon
Attorney: Karl G. Hanson
Application Number: 29/331,804
Classifications
Current U.S. Class:
Mask (D24/110.1)