US5026207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recreational area construction
Assignee: KOALA SURFACES Inc
•
Filing: 1989-12-18
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Granted: 1991-06-25
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Expires: 2009-12-18
Abstract
Abstract A recreational area construction comprising a base with a plurality of borders forming a perimeter on the base; a layer of water pervious material on the base between the borders, and a top layer of cushioning material supported on the base and layer of water pervious material.
Inventors
- 👤 Robert G. Heath
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:41
CPC Classifications
E; E02; E02B; E02B11/00; E01; E01C; E01C13/00; E01C13/02
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
148 words
A recreational area construction, comprising: a base; a plurality of borders forming a perimeter around said base; a layer of water pervious fabric-like material on the base between the borders; a layer of resilient material support on top of said layer of water pervious material, said resilient material comprising an open mesh body formed by a tangled mass of strands having a substantial depth and defining a drainage means for enhancing drainage of water away from said recreational area construction and improving the cushioning of said area; and a top layer of cushioning materal above the layer of water pervious fabric-like material, said layer of water pervious material enabling water to flow down to the base and percolate naturally into the ground and allowing water to flow upwardly therethrough under hydrostatic pressure, while preventing contamination of the cushioning material by said base material and also strengthening said construction.
Claim 2
Dependent Claim
148 words
A recreational area construction, comprising: a base; a plurality of borders forming a perimeter around said base; a layer of water pervious fabric-like material on the base between the borders; a layer of resilient material support on top of said layer of water pervious material, said resilient material comprising an open mesh body formed by a tangled mass of strands having a substantial depth and defining a drainage means for enhancing drainage of water away from said recreational area construction and improving the cushioning of said area; and a top layer of cushioning materal above the layer of water pervious fabric-like material, said layer of water pervious material enabling water to flow down to the base and percolate naturally into the ground and allowing water to flow upwardly therethrough under hydrostatic pressure, while preventing contamination of the cushioning material by said base material and also strengthening said construction.
Claim 3
Dependent Claim
18 words
A recreational area construction as claimed in claim 1, wherein: said layer of cushioning material comprises wood fibers.
Claim 4
Dependent Claim
73 words
A recreational area construction as claimed in claim 1, wherein: a second layer of water pervious fabric-like material is on top of said layer of resilient material, forming a composite laminated structure, said second layer of water pervious material serving to isolate said layer of cushioning material from the layer of resilient material and also aiding in holding the layer of cushioning material in place on top of said layer of resilient material.
Claim 5
Dependent Claim
44 words
A recreational area construction as claimed in claim 3, wherein: at least said second layer of water pervious material is secured to said layer of resilient material to prevent slippage therebetween and aid in maintaining said second layer of water pervious material in position.
Claim 6
Dependent Claim
34 words
A recreational area construction as claimed in claim 4, wherein: both of said layers of water pervious material are secured to said layer of resilient of material, increasing the strength of the laminated construction.
Claim 7
Dependent Claim
45 words
A recreactional area construction as claimed in claim 3, wherein: at least one resilient wear mat is supported on top of said composite laminated structure at locations of high traffic on said recreational area construction, said water mat having openings therethrough for drainage of water.
Claim 8
Dependent Claim
47 words
A recreational area construction as claimed in claim 1, wherein: at least one resilient wear mat is supported on top of said layer of water pervious material at locations of high traffic on said recreational area construction, said wear mat having openings therethrough for drainage of water.
Claim 9
Dependent Claim
21 words
A recreational area construction as claimed in claim 7, wherein: said wear mat has top and bottom surfaces with protrustions thereon.
Claim 10
Dependent Claim
139 words
A recreational area construction, comprising: a base; a plurality of borders forming a perimeter around said base; a layer of water pervious fabric-like material on the base between the borders; strips of open mesh resilient material supported in spaced apart relationship to one another on said layer of water pervious material to define discrete drainage paths for draining water away from said recreational area construction, said open mesh material comprising tangled strands forming a body having substantial depth; and a top layer of cushioning material above the layer of water pervious fabric-like material, said layer of water pervious material enabling water to flow down to the base and percolate naturally into the ground and allowing water to flow upwardly therethrough under hydrostatic presssure, while preventing contamination of the cushioning material by said base material and also strengthening said construction.
Claim 11
Dependent Claim
139 words
A recreational area construction, comprising: a base; a plurality of borders forming a perimeter around said base; a layer of water pervious fabric-like material on the base between the borders; strips of open mesh resilient material supported in spaced apart relationship to one another on said layer of water pervious material to define discrete drainage paths for draining water away from said recreational area construction, said open mesh material comprising tangled strands forming a body having substantial depth; and a top layer of cushioning material above the layer of water pervious fabric-like material, said layer of water pervious material enabling water to flow down to the base and percolate naturally into the ground and allowing water to flow upwardly therethrough under hydrostatic presssure, while preventing contamination of the cushioning material by said base material and also strengthening said construction.
Claim 12
Dependent Claim
27 words
A recreational area construction as claimed in claim 9, wherein: a layer of water pervious fabric-like material is wrapped around each of said strips of resilient material.
Claim 13
Dependent Claim
27 words
A recreational area construction as claimed in claim 10, wherein: a layer of water pervious fabric-like material is supported on top of said strips and said base.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-06-24 | 1994-12-24 | 1995-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-06-24 | 1998-12-24 | 1999-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-06-24 | 2002-12-24 | 2003-06-25 | $7700.00 | Window Closed / Lapsed |