US5301460A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mulch product
Assignee: Individual
•
Filing: 1991-04-12
•
Granted: 1994-04-12
•
Expires: 2011-04-12
Abstract
Abstract A mulch product and method of making same wherein the resultant mulch product includes a shredded fine portion, a bulky portion, and a stringy binding portion. When water soaks through the distributed mulch product, a relatively impervious mat is formed which is resistant to ordinary environmental effects. The mulch is preferable manufactured from an insect and rot resistant wood. The mulch product is manufactured using a swinging hammer type of wood hog using a surrounding screen having a plurality of holes of not less than approximately 2 inches across.
Inventors
- 👤 H. C. Corbitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:04
CPC Classifications
C; C09; C09K; C09K17/00; C09K17/52
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
149 words
A mulch product made from wood adapted to rapidly absorb water and maintain its position during exposure to water, when the mulch product is in position on an underlying surface, by sinking and binding with adjacent mulch elements to form a comparatively non-erodible mat, said mulch product comprising: 25-50% shredded single filament wood elements for rapidly absorbing water and filling gaps within the mulch and having a length between approximately 0.1 and 6 cm.; 40-70% shattered bulky multi filament wood elements for rapidly absorbing water and sinking to form a weighty bulk of the mulch product and having lengths between approximately 1 and 8 cm. and cross sectional dimensions between approximately 0.3 and 2 cm.; and, 5-10% stringy binding multifilament wood elements for overlying and interweaving within the water absorbing mulch product and binding the mulch product into a mat and having lengths between approximately 5 and 20 cm.
Claim 2
Dependent Claim
149 words
A mulch product made from wood adapted to rapidly absorb water and maintain its position during exposure to water, when the mulch product is in position on an underlying surface, by sinking and binding with adjacent mulch elements to form a comparatively non-erodible mat, said mulch product comprising: 25-50% shredded single filament wood elements for rapidly absorbing water and filling gaps within the mulch and having a length between approximately 0.1 and 6 cm.; 40-70% shattered bulky multi filament wood elements for rapidly absorbing water and sinking to form a weighty bulk of the mulch product and having lengths between approximately 1 and 8 cm. and cross sectional dimensions between approximately 0.3 and 2 cm.; and, 5-10% stringy binding multifilament wood elements for overlying and interweaving within the water absorbing mulch product and binding the mulch product into a mat and having lengths between approximately 5 and 20 cm.
Claim 3
Dependent Claim
20 words
A mulch product as in claim 1, wherein: said mulch product is made from naturally insect and rot resistant wood.
Claim 4
Dependent Claim
12 words
A mulch product as in claim 2, wherein: said wood is cypress.
Claim 5
Dependent Claim
12 words
A mulch product as in claim 2, wherein: said wood is cedar.
Claim 6
Dependent Claim
26 words
A mulch product as in claim 1, wherein: said mulch product is made from wood which has been chemically treated to be insect and rot resistant.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-04-11 | 1997-10-11 | 1998-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-04-11 | 2001-10-11 | 2002-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-04-11 | 2005-10-11 | 2006-04-12 | $7700.00 | Window Closed / Lapsed |