Stair block for use in landscaping

Information

  • Patent Grant
  • D441464
  • Patent Number
    D441,464
  • Date Filed
    Friday, March 26, 1999
    25 years ago
  • Date Issued
    Tuesday, May 1, 2001
    23 years ago
Abstract
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.
US Referenced Citations (16)
Number Name Date Kind
RE. 34314 Forsberg Jul 1993
D. 235570 Barton Jun 1975
D. 284308 Risi et al. Jun 1986
D. 298463 Forsberg Nov 1988
D. 380560 Forsberg Jul 1997
D. 381086 Forsberg Jul 1997
D. 384168 Stevenson Sep 1997
1831858 Haggard Nov 1931
2172051 Robbins Sep 1939
2319203 Branham May 1943
5409325 Wu Apr 1995
5479746 Mannonen Jan 1996
5620283 Walter Apr 1997
5678958 Rossi Oct 1997
5702208 Hilfiker et al. Dec 1997
5827015 Woolford et al. Oct 1998
Foreign Referenced Citations (2)
Number Date Country
538726 Mar 1922 FR
693797 Jul 1953 GB
Non-Patent Literature Citations (6)
Entry
“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”.