Plumb line
Description
Claims
The ornamental design for a plumb line, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D673469
Type: Grant
Filed: Jul 8, 2011
Date of Patent: Jan 1, 2013
Assignee: Zenton Bernard Groten, S.L. (Irun (Guipuzcoa))
Inventors: Alberto Groten (Irun), Manuel Aizpurua (Irun)
Primary Examiner: Antoine D Davis
Attorney: Cook Alex Ltd.
Application Number: 29/396,875
Type: Grant
Filed: Jul 8, 2011
Date of Patent: Jan 1, 2013
Assignee: Zenton Bernard Groten, S.L. (Irun (Guipuzcoa))
Inventors: Alberto Groten (Irun), Manuel Aizpurua (Irun)
Primary Examiner: Antoine D Davis
Attorney: Cook Alex Ltd.
Application Number: 29/396,875
Classifications
Current U.S. Class:
Angle Or Direction (7) (D10/65)