Filter housing
Latest 3M Innovative Properties Company Patents:
Description
The phantom line showing forms no part of the claimed design, and the surface shading lines are provided to illustrate contour only; they are not an indication of texture, gloss, etc.
Claims
The ornamental design for a filter housing, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
2706983 | April 1955 | Matheson et al. |
D286213 | October 14, 1986 | Maryyanek et al. |
D326540 | May 26, 1992 | Scholey |
5505197 | April 9, 1996 | Scholey |
D396283 | July 21, 1998 | Scholey |
D434493 | November 28, 2000 | Fecteau et al. |
D440301 | April 10, 2001 | Fecteau et al. |
20020078953 | June 27, 2002 | Fecteau et al. |
20040055604 | March 25, 2004 | Viner et al. |
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Patent History
Patent number: D613851
Type: Grant
Filed: Aug 21, 2007
Date of Patent: Apr 13, 2010
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: John M. Pilgrim (Woodbury, MN), Thomas W. Holmquist-Brown (St. Paul, MN)
Primary Examiner: Ian Simmons
Assistant Examiner: Christopher Lee
Attorney: Karl G. Hanson
Application Number: 29/283,669
Type: Grant
Filed: Aug 21, 2007
Date of Patent: Apr 13, 2010
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: John M. Pilgrim (Woodbury, MN), Thomas W. Holmquist-Brown (St. Paul, MN)
Primary Examiner: Ian Simmons
Assistant Examiner: Christopher Lee
Attorney: Karl G. Hanson
Application Number: 29/283,669
Classifications
Current U.S. Class:
Mask (D24/110.1)