Locking unit for pole assembly
Description
The broken lines in the drawings illustrate environmental structure and form no part of the claimed design.
Claims
The ornamental design for a locking unit for pole assembly, as shown and described.
Referenced Cited
U.S. Patent Documents
| 5479836 | January 2, 1996 | Chang |
| 6948878 | September 27, 2005 | Smith et al. |
| 7353731 | April 8, 2008 | Lin |
| D577423 | September 23, 2008 | Dole |
| D580262 | November 11, 2008 | Eason et al. |
| D584604 | January 13, 2009 | Baldwin |
| 7487787 | February 10, 2009 | Tung |
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Patent History
Patent number: D661981
Type: Grant
Filed: Mar 24, 2010
Date of Patent: Jun 19, 2012
Assignee: ToolLab, Inc. (West Warwick, RI)
Inventors: Charles Melino, Sr. (Providence, RI), Charles Melino, Jr. (Cranston, RI)
Primary Examiner: John Windmuller
Attorney: Steven N. Fox, Esq.
Application Number: 29/358,278
Type: Grant
Filed: Mar 24, 2010
Date of Patent: Jun 19, 2012
Assignee: ToolLab, Inc. (West Warwick, RI)
Inventors: Charles Melino, Sr. (Providence, RI), Charles Melino, Jr. (Cranston, RI)
Primary Examiner: John Windmuller
Attorney: Steven N. Fox, Esq.
Application Number: 29/358,278
Classifications
Current U.S. Class:
D8/396