Concrete paving stone and concrete paving stones

- Calstone
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Description

The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.

FIG. 1 is a perspective view of a concrete paving stone having a varied and non-uniform coloring on the outer surface of the stone, a texture having varied and non-uniform lines, valleys and plateaus on the outer surface of the stone and varied and non-uniform chips along the outer edges of the stone and scratches on the outer surface of the stone, so as to have a novel appearance resembling naturally occurring quarry stone.

Claims

A concrete paving stone and concrete paving stones, as shown.

Referenced Cited
U.S. Patent Documents
3616103 October 1971 Greiner et al.
D278934 May 21, 1985 Scheiwiller
D406358 March 2, 1999 Risi et al.
D452015 December 11, 2001 Aurelius
D466619 December 3, 2002 Britton
Other references
  • Paterned Concrete, buyline 3927, Sweet's General Building & Renovation, vol. 3, 1993.*
  • Anchor Concrete Products, Inc., buyline 6518, Sweet's General Building & Renovation, vol. 3, 1993.*
  • Quartex by Paveston, buyline 6853, Sweet's General Building & Renovation, vol. 3, 1993.*
  • Pisa II, p. 4, Sweet's General Building & Renovation, vol. 3, 1993.
Patent History
Patent number: D486245
Type: Grant
Filed: Sep 13, 2002
Date of Patent: Feb 3, 2004
Assignee: Calstone (Sunnyvale, CA)
Inventor: Matthew K. Morey (Menlo Park, CA)
Primary Examiner: Louis S. Zarfas
Assistant Examiner: Robert A. Delehanty
Attorney, Agent or Law Firm: Vierra Magen Marcus Harmon & DeNiro LLP
Application Number: 29/167,425
Classifications
Current U.S. Class: Construction Block Or Brick Type (17) (D25/113)
International Classification: 2501;