Knitting abacus
Description
Claims
I claim the ornamental design for a knitting abacus, as shown and described.
Patent History
Patent number: D676231
Type: Grant
Filed: Jan 30, 2012
Date of Patent: Feb 19, 2013
Inventor: Sharon Coleman (Chepachet, RI)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Ania Aman
Application Number: 29/412,026
Type: Grant
Filed: Jan 30, 2012
Date of Patent: Feb 19, 2013
Inventor: Sharon Coleman (Chepachet, RI)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Ania Aman
Application Number: 29/412,026
Classifications
Current U.S. Class:
D3/18