Roller tube for a roller blind
Description
The broken lines and the spaces therein represent environmental subject matter that forms no part of the claimed design.
Claims
The ornamental design for a roller tube for a roller blind, as shown and described.
Patent History
Patent number: D681992
Type: Grant
Filed: May 31, 2012
Date of Patent: May 14, 2013
Inventor: Philip Ng (Thornhill)
Primary Examiner: Karen S Acker
Application Number: 29/423,372
Type: Grant
Filed: May 31, 2012
Date of Patent: May 14, 2013
Inventor: Philip Ng (Thornhill)
Primary Examiner: Karen S Acker
Application Number: 29/423,372
Classifications
Current U.S. Class:
D6/580