Three-way coupling
Description
Claims
The ornamental design for a three-way coupling, as shown and described.
Referenced Cited
U.S. Patent Documents
| D253865 | January 8, 1980 | Hagglund |
| D259083 | May 5, 1981 | Riegsecker |
| D277934 | March 12, 1985 | Beckrot |
| D297303 | August 23, 1988 | Finklestein |
| 5059056 | October 22, 1991 | Banthia et al. |
| D387656 | December 16, 1997 | Liang |
| 6682256 | January 27, 2004 | Hor |
| D524147 | July 4, 2006 | Bricker |
| D621245 | August 10, 2010 | Heindl |
| D623930 | September 21, 2010 | Austro |
Patent History
Patent number: D632551
Type: Grant
Filed: Mar 17, 2010
Date of Patent: Feb 15, 2011
Assignee: Greenland Composites, Inc. (Fayetteville, AR)
Inventor: Burt Hanna (Fayetteville, AR)
Primary Examiner: Holly H Baynham
Assistant Examiner: Sheryl Lane
Attorney: Keisling & Pieper PLC
Application Number: 29/349,223
Type: Grant
Filed: Mar 17, 2010
Date of Patent: Feb 15, 2011
Assignee: Greenland Composites, Inc. (Fayetteville, AR)
Inventor: Burt Hanna (Fayetteville, AR)
Primary Examiner: Holly H Baynham
Assistant Examiner: Sheryl Lane
Attorney: Keisling & Pieper PLC
Application Number: 29/349,223
Classifications
Current U.S. Class:
D8/382