US4755401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Artificial turf with playing field markings
Assignee: JF Adolff AG
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Filing: 1987-02-02
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Granted: 1988-07-05
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Expires: 2007-02-02
Abstract
Abstract The invention relates to a ground covering in the form of an artificial turf material with lasting playing field marking lines. In accordance with the invention, the marking lines are formed by separately manufactured material strips and attached to the adjacent turf material using the elements of a hook and loop fastener.
Inventors
- 👤 Hans-Joachim Friedrich
- 👤 Otfried von Kries
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:09
CPC Classifications
E; E01; E01C; E01C13/00; E01C13/08; A; A63; A63C; A63C19/00; A63C19/06; A63C19/065; Y; Y10; Y10S; Y10S273/00; Y10S273/13; Y10S273/30; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23929; Y10T428/24; Y10T428/24008; Y10T428/24017
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
174 words
A ground covering with marking lines, comprising: a first area of artificial turf material having a first edge; a strip material being disposed adjacent to said first edge forming a first interface therebetween; hook and loop fastening tape means attached to the underside of both said first area of artificial turf material and said strip material, said hook and loop fastening tape means overlapping the first interface between said strip material and said first area of turf material; said hook and loop fastening tape means comprising first and second tape strips, wherein either said first or said second tape strip comprising a loop fastening strip and the other of said tape strips being a hook fastening strip; said first tape strip comprising first and second strip elements being independently and firmly joined to the underside of both said first area of artificial turf material and said strip material; and said second tape strip being a third strip element overlapping the first and second strip elements to join the first and second strip elements together.
Claim 2
Dependent Claim
174 words
A ground covering with marking lines, comprising: a first area of artificial turf material having a first edge; a strip material being disposed adjacent to said first edge forming a first interface therebetween; hook and loop fastening tape means attached to the underside of both said first area of artificial turf material and said strip material, said hook and loop fastening tape means overlapping the first interface between said strip material and said first area of turf material; said hook and loop fastening tape means comprising first and second tape strips, wherein either said first or said second tape strip comprising a loop fastening strip and the other of said tape strips being a hook fastening strip; said first tape strip comprising first and second strip elements being independently and firmly joined to the underside of both said first area of artificial turf material and said strip material; and said second tape strip being a third strip element overlapping the first and second strip elements to join the first and second strip elements together.
Claim 3
Dependent Claim
92 words
The ground covering of claim 1, further including a second area of artificial turf material having a second edge disposed a distance from said first edge corresponding to the width of said strip material, said second edge forming a second interface with said strip material; said first tape strip comprising a fourth strip element independently and firmly joined to the underside of said second area of artificial turf material; and the third strip element overlapping the first, second and fourth strip elements to join the first, second and fourth strip elements together.
Claim 4
Dependent Claim
26 words
The ground covering of claim 2, wherein said strip material is selected from the group consisting essentially of artificial turf material, felt material and plastic material.
Claim 5
Dependent Claim
22 words
The ground covering of claim 3, wherein said first tape strips are loop tapes and said second tape strips are hook tapes.
Claim 6
Dependent Claim
22 words
The ground covering of claim 3, wherein said first tape strips are hook tapes and said second tape trips are loop tapes.
Claim 7
Dependent Claim
109 words
The ground covering of claim 1, further including a second area of artificial turf material having a second edge dispose a distance from said first edge corresponding to the width of said strip material, said second edge forming a second interface with said strip material; said third strip element overlapping the first and second strip elements; said first tape strip comprising a fourth strip element independently and firmly joined to the underside of said second area of artificial turf material; said second tape strip including a fifth strip element overlapping the second and fourth strip elements whereby said first, second and fourth tape strip elements are firmly joined together.
Claim 8
Dependent Claim
26 words
The ground covering of claim 6 wherein said strip material is selected from the group consisting essentially of artificial turf material, felt material and plastic material.
Claim 9
Dependent Claim
22 words
The ground covering of claim 7, wherein said first tape strips are loop tapes and said second tape strips are hook tapes.
Claim 10
Dependent Claim
22 words
The ground covering of claim 7, wherein said first tape strips are hook tapes and said second tape strips are loop tapes.
Claim 11
Dependent Claim
88 words
The ground covering of claim 2 including first and second recessed sections in the underside of said first and second areas of artificial turf extending adjacent to said first and second edges respectively for receiving said first and second tape strips whereby said first and second tape strips do not protrude below the underside of the back surface of the first and second areas of artificial turf material whereby said first and second recess corresponds in height approximately to the height of the hook and loop fastener means.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-07-05 | 1992-01-04 | 1992-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-07-05 | 1996-01-04 | 1996-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-07-05 | 2000-01-04 | 2000-07-05 | $7700.00 | Window Closed / Lapsed |