Stair block for use in landscaping

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Description

The nature and intended use of the article in which the design is embodied is a block formed of concrete used alone or in multiples to construct stairs or other multilever structures desired in landscaping activities.

FIG. 1 is a front left perspective view of a stair block for use in landscaping incorporating my new designs.

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right end elevational view, the left end being a mirror image thereof;

FIG. 5 is a front elevational view, the rear being a mirror image thereof; and,

FIG. 6 is a perspective view on a reduced scale of a stair block for use in landscaping, shown in condition of use with other stair blocks and paving blocks.

The broken line showing of paving stones is for illustrative purposes only and paving stones form no part of the claimed design.

Claims

I claim the ornamental design for a stair block for use in landscaping, as shown and described.

Referenced Cited
U.S. Patent Documents
RE34314 July 20, 1993 Forsberg
D235570 June 1975 Barton
D284308 June 17, 1986 Risi et al.
D298463 November 8, 1988 Forsberg
D380560 July 1, 1997 Forsberg
D381086 July 15, 1997 Forsberg
D384168 September 23, 1997 Stevenson
1831858 November 1931 Haggard
2172051 September 1939 Robbins
2319203 May 1943 Branham
5409325 April 25, 1995 Wu
5479746 January 2, 1996 Mannonen
5620283 April 15, 1997 Walter
5678958 October 21, 1997 Rossi
5702208 December 30, 1997 Hilfiker et al.
5827015 October 27, 1998 Woolford et al.
Foreign Patent Documents
538726 March 1922 FR
693797 July 1953 GB
Other references
  • “Soundblox”, p. 2 from Sweet's Architecture File, 1970.*
  • Modular Concrete Block, Paving Stone, Jun. 1984.*
  • “Proudfoot Architectural Acoustics” Sweet's General Building & Renovation Catalog File, 1993.*
  • Besser Parts and Equipment Catalog, “Chimney Block”, p. 11.*
  • Decor Innovative Concrete Systems—“STEP STACKER” brochure no date.
  • Borgert Products, Inc. advertising entitled, “Steps Made Eady! With Stair Stackers”.
Patent History
Patent number: D441464
Type: Grant
Filed: Mar 26, 1999
Date of Patent: May 1, 2001
Assignee: King's Material, Inc. (Cedar Rapids, IA)
Inventor: Gary F. Pribyl (Cedar Rapids, IA)
Primary Examiner: Louis S. Zarfas
Assistant Examiner: Robert A. Delehanty
Attorney, Agent or Law Firm: Allan L. Harms
Application Number: 29/102,717
Classifications
Current U.S. Class: Rectangular Or Square Detail (D25/118)
International Classification: 2501;