The broken lines represent unclaimed portions unclaimed portions of the plumbing hub and form no part of the claimed design.
We claim the ornamental design for a plumbing hub, as shown and described.
Filed: Jul 31, 2008
Date of Patent: Mar 20, 2012
Inventors: Louis Cronje (Pretoria), Pieter Albertus Reinecke (Pretoria), Johannes Cronje (Pretoria)
Primary Examiner: Cathron C. Brooks
Assistant Examiner: Maurice Stevens
Attorney: Hahn Moodley LLP
Application Number: 29/322,291