US4067197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for stabilizing soil
Assignee: Individual
•
Filing: 1976-07-20
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Granted: 1978-01-10
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Expires: 1996-07-20
Abstract
Abstract A means of stabilizing a surface area of soil comprising a plurality of rings formed of rigid material which is resistant to wear and corrosion, soil rings being fastened together in spaced relationship to each other, said means being intended to be laid over the surface area.
Inventors
- 👤 Paul Ritter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:19
CPC Classifications
E; E02; E02D; E02D3/00; E02D3/02; E02D3/08; E01; E01C; E01C9/00; E01C9/004; Y; Y02; Y02A; Y02A30/00; Y02A30/30
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
109 words
A means of providing a surface for receiving traffic such as a pathway, driveway or road surface and permitting the growth of grass thereon, said means comprising a plurality of rings of tubular configuration and of rigid material which is resistant to wear and corrosion, means fastening said rings together defining a mat like structure comprising a single layer of spaced rings, where the central longitudinal axes of said rings are perpendicular to the plane of the layer and said fastening means being capable of preventing the lateral displacement of said rings in said mat like structure whereby said mat like structure can be laid over the surface area.
Claim 2
Dependent Claim
109 words
A means of providing a surface for receiving traffic such as a pathway, driveway or road surface and permitting the growth of grass thereon, said means comprising a plurality of rings of tubular configuration and of rigid material which is resistant to wear and corrosion, means fastening said rings together defining a mat like structure comprising a single layer of spaced rings, where the central longitudinal axes of said rings are perpendicular to the plane of the layer and said fastening means being capable of preventing the lateral displacement of said rings in said mat like structure whereby said mat like structure can be laid over the surface area.
Claim 3
Dependent Claim
23 words
A means as claimed in claim 1 wherein the rings are mounted in groups and adjacent rings of the group are clipped together.
Claim 4
Dependent Claim
32 words
A means as claimed in claim 1 wherein the rings are mounted in groups and are held together by a band extending around the periphery of the group in tensioned relationship thereto.
Claim 5
Dependent Claim
34 words
A means as claimed in claim 1 wherein the rings are arranged in a mat form and are held in spaced relationship to each other by a plurality of wires woven between the rings.
Claim 6
Dependent Claim
18 words
A means as claimed in claim 1 wherein the rings are mounted to a mat of sheet material.
Claim 7
Dependent Claim
20 words
A means as claimed in claim 5 wherein the sheet material is of a woven type and is water permeable.
Claim 8
Dependent Claim
18 words
A means as claimed in claim 5 wherein the sheet material has a seed mixture applied to it.
References Cited (Backward Citations)
US1071091A
Cited
US1905176A
Cited
GB676764A
Cited
US2876628A
Cited
US3597928A
Cited
US3903702A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-01-09 | 1981-07-11 | 1982-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-01-09 | 1985-07-11 | 1986-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-01-09 | 1989-07-11 | 1990-01-10 | $7700.00 | Window Closed / Lapsed |