Ball bearing swivel
Latest Centro Corporation Patents:
Description
Claims
The ornamental design for a ball bearing swivel, as shown and described.
Referenced Cited
U.S. Patent Documents
3307888 | March 1967 | Dumpis |
4552481 | November 12, 1985 | Bluett |
5028117 | July 2, 1991 | Muhlenkamp-Becker |
D346423 | April 26, 1994 | Kitagawa |
5749812 | May 12, 1998 | Feciura et al. |
6357954 | March 19, 2002 | Timoney |
D456827 | May 7, 2002 | Butts |
6461071 | October 8, 2002 | Kanemura |
6491329 | December 10, 2002 | Smith |
20040018042 | January 29, 2004 | Smith |
20070031183 | February 8, 2007 | Sim |
Patent History
Patent number: D549750
Type: Grant
Filed: Mar 21, 2006
Date of Patent: Aug 28, 2007
Assignee: Centro Corporation (Koyang, Kyungki-Do)
Inventor: Woo-Kyung Sim (Paju)
Primary Examiner: Antoine D. Davis
Assistant Examiner: Patricia Palasik
Attorney: Sheridan Ross P.C.
Application Number: 29/256,522
Type: Grant
Filed: Mar 21, 2006
Date of Patent: Aug 28, 2007
Assignee: Centro Corporation (Koyang, Kyungki-Do)
Inventor: Woo-Kyung Sim (Paju)
Primary Examiner: Antoine D. Davis
Assistant Examiner: Patricia Palasik
Attorney: Sheridan Ross P.C.
Application Number: 29/256,522
Classifications
Current U.S. Class:
Bearing, Bushing, Or Pillow Block (D15/143)