U extrusion
Latest Environmental Air Systems, Inc. Patents:
Description
Claims
The ornamental design for a U extrusion, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
3465488 | September 1969 | Miller |
5062250 | November 5, 1991 | Buzzella |
D324575 | March 10, 1992 | Davis |
5950385 | September 14, 1999 | Herren |
D448862 | October 2, 2001 | Kieffer |
6588155 | July 8, 2003 | Theune et al. |
6668500 | December 30, 2003 | Lamberts |
6708460 | March 23, 2004 | Elderson |
D488244 | April 6, 2004 | Schrader |
D489830 | May 11, 2004 | Barnett |
6871470 | March 29, 2005 | Stover |
D511013 | October 25, 2005 | Bullock, Jr. et al. |
D511217 | November 1, 2005 | Bullock, Jr. et al. |
- U.S. Appl. No. 29/264,696, filed Aug. 16, 2006, Bullock.
- U.S. Appl. No. 29/264,697, filed Aug. 16, 2006, Bullock, Jr.
Patent History
Patent number: D557430
Type: Grant
Filed: Aug 16, 2006
Date of Patent: Dec 11, 2007
Assignee: Environmental Air Systems, Inc. (High Point, NC)
Inventor: Edward G. Hansen (Greensboro, NC)
Primary Examiner: Doris Clark
Application Number: 29/264,698
Type: Grant
Filed: Aug 16, 2006
Date of Patent: Dec 11, 2007
Assignee: Environmental Air Systems, Inc. (High Point, NC)
Inventor: Edward G. Hansen (Greensboro, NC)
Primary Examiner: Doris Clark
Application Number: 29/264,698
Classifications
Current U.S. Class:
Bilaterally Symmetrical (D25/121)