Slip-proof block
Description
FIG. 1 is perspective view of a slip-proof block showing my new design;
FIG. 2 is a front side elevation view thereof;
FIG. 3 is a rear side elevation view thereof;
FIG. 4 is a left side elevation view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
Claims
The ornamental design for a slip-proof block, as shown and described.
Referenced Cited
Patent History
Patent number: D471078
Type: Grant
Filed: Jan 2, 2002
Date of Patent: Mar 4, 2003
Inventor: Chang-Hui Chen (Taipei)
Primary Examiner: Antoine Duval Davis
Attorney, Agent or Law Firm: Leong C. Lei
Application Number: 29/152,761
Type: Grant
Filed: Jan 2, 2002
Date of Patent: Mar 4, 2003
Inventor: Chang-Hui Chen (Taipei)
Primary Examiner: Antoine Duval Davis
Attorney, Agent or Law Firm: Leong C. Lei
Application Number: 29/152,761
Classifications
Current U.S. Class:
D8/349
International Classification: 0805;
International Classification: 0805;