US4353946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Erosion control means
Assignee: MUNTERS SEASONMAKERS PTY Ltd A Co OF NEW SOUTH WALES
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Filing: 1981-03-13
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Granted: 1982-10-12
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Expires: 2001-03-13
Abstract
Abstract Method and means for producing an erosion control blanket formed from wood wool fibres retained in a coherent structure with a biodegradable mesh to be secured on a soil surface to ameliorate erosion of that surface and provide a basis for plant regrowth which will subsequently bind the soil surface.
Inventors
- 👤 Geoffrey Bowers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:54
CPC Classifications
E; E02; E02D; E02D17/00; E02D17/20; E02D17/202; Y; Y10; Y10S; Y10S428/00; Y10S428/913; Y10T; Y10T428/00; Y10T428/24; Y10T428/24058; Y10T428/24074; Y10T428/24091; Y10T428/24273; Y10T428/24322; Y10T428/24331; Y10T428/25; Y10T428/253; Y10T428/31504; Y10T428/31971; Y10T428/31989; Y10T442/00; Y10T442/10; Y10T442/102; Y10T442/159
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
39 words
A soil erosion control blanket, comprising a mat of wood-wool fibers retained in a coherent structure by means of a biodegradable mesh such that at least some of the fibres interlock with the mesh and others of said fibres.
Claim 2
Dependent Claim
39 words
A soil erosion control blanket, comprising a mat of wood-wool fibers retained in a coherent structure by means of a biodegradable mesh such that at least some of the fibres interlock with the mesh and others of said fibres.
Claim 3
Dependent Claim
16 words
An erosion control blanket as claimed in claim 1, wherein said mesh is of plastics material.
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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) | 1985-10-11 | 1986-04-12 | 1986-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-10-11 | 1990-04-12 | 1990-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-10-11 | 1994-04-12 | 1994-10-12 | $7700.00 | Window Closed / Lapsed |