Roller blind clutch
Description
In the drawings, the broken lines depict unclaimed environmental subject matter.
Claims
The ornamental design for roller blind clutch, as shown in the above referenced figures.
Referenced Cited
U.S. Patent Documents
3457688 | July 1969 | Znamirowski et al. |
4372432 | February 8, 1983 | Waine et al. |
4433465 | February 28, 1984 | Nakano et al. |
D335604 | May 18, 1993 | Lui et al. |
5975186 | November 2, 1999 | Day |
D429588 | August 22, 2000 | Smederod |
6173825 | January 16, 2001 | Liu |
6817402 | November 16, 2004 | Fraczek et al. |
20080230191 | September 25, 2008 | Ng et al. |
Patent History
Patent number: D596435
Type: Grant
Filed: May 9, 2007
Date of Patent: Jul 21, 2009
Inventor: Norman Wills (Mississauga, Ontario)
Primary Examiner: Robert M Spear
Assistant Examiner: Barbara B Lohr
Attorney: Elias Borges
Application Number: 29/274,603
Type: Grant
Filed: May 9, 2007
Date of Patent: Jul 21, 2009
Inventor: Norman Wills (Mississauga, Ontario)
Primary Examiner: Robert M Spear
Assistant Examiner: Barbara B Lohr
Attorney: Elias Borges
Application Number: 29/274,603
Classifications
Current U.S. Class:
D6/581