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US5655971A Expired / Lapsed US ⏱️ 0.0 years remaining

Variable contour practice putting green

Assignee: Individual
•
Filing: 1996-09-26
•
Granted: 1997-08-12
•
Expires: 2016-09-26
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Abstract

Abstract A practice putting green which includes a generally planar slab of rigid light weight material; a foam rubber pad installed on the upper surface of said pad; a covering layer of artificial turf attached to an upper surface of said pad; at least one target hole in said turf layer and pad; and at least one variable contour installation comprising a sealed cavity in said rubber pad and means for selectively pressurizing said cavity to cause upward bulging of said turf layer to provide a variable contour putting surface.

Inventors

  • 👤 Ronald Wayne

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 16:48
CPC Classifications
A; A63; A63B; A63B67/00; A63B67/02; A63B2067/025

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 87 words
A practice putting green comprising: a generally planar slab of rigid light weight material; a foam rubber pad installed on the upper surface of said pad; a covering layer of artificial turf attached to an upper surface of said pad; at least one target hole in said turf layer and pad; at least one variable contour installation comprising a sealed cavity in said rubber pad and means for selectively pressurizing said cavity to cause upward bulging of said turf layer to provide a variable contour putting surface.
Claim 2
Dependent Claim 87 words
A practice putting green comprising: a generally planar slab of rigid light weight material; a foam rubber pad installed on the upper surface of said pad; a covering layer of artificial turf attached to an upper surface of said pad; at least one target hole in said turf layer and pad; at least one variable contour installation comprising a sealed cavity in said rubber pad and means for selectively pressurizing said cavity to cause upward bulging of said turf layer to provide a variable contour putting surface.
Claim 3
Dependent Claim 40 words
The practice putting green according to claim 1 wherein a plurality of said variable contour installations are provided, each including a cavity in said rubber pad, wherein at least some of said cavities are of varying sizes and perimeter shapes.
Claim 4
Dependent Claim 53 words
The practice putting green according to claim 1 wherein said rubber pad is bonded to a backing layer extending over said cavity, a fitting installed in said backing layer protruding into said cavity, and a fluid conduit extending through said slab to an air fill valve exposed at the perimeter of said slab.
Claim 5
Dependent Claim 28 words
The practice putting green according to claim 3 further including a ball return bore in said slab extending from said target hole to the perimeter of said slab.
Claim 6
Dependent Claim 31 words
The practice putting green according to claim 1 wherein said thick rubber pad is of a thickness on the order of 3/4 to 1 inch, and is recessed into said slab.

References Cited (Backward Citations)

US3690673A Cited
US3892412A Cited
US5441265A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2000-08-11 2001-02-10 2001-08-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2004-08-11 2005-02-10 2005-08-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2008-08-11 2009-02-10 2009-08-12 $7700.00 Window Closed / Lapsed

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