US4378756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Animal bedding, process and apparatus for preparing the same
Assignee: Recycled Paper Bedding Inc
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Filing: 1981-08-10
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Granted: 1983-04-05
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Expires: 2001-08-10
Abstract
Abstract This invention is directed to a new and improved animal bedding comprising newsprint subdivided into a range of particle sizes. The bedding provides the necessary liquid absorbence and resistance to compaction without excessive dust. The invention is directed also to the process and hammermill apparatus for preparing said bedding.
Inventors
- 👤 Patrick W. Whiteman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:45
CPC Classifications
A; A01; A01K; A01K1/00; A01K1/015; A01K1/0152; A01K1/0155; B; B02; B02C; B02C13/00; B02C13/26; B02C13/282; B02C13/284
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
90 words
An animal bedding comprising subdivided newsprint consisting essentially of flat particles with irregularly shaped major surfaces of a maximum diameter not more than about three times the minimum diameter, said maximum diameter being less than about one-inch, said particles having a particle size distribution including at least about 15 wt. percent greater than one-quarter inch maximum diameter, at least about 40 wt. percent greater than 1/32 inch but less than one-quarter inch in maximum diameter and not more than about 30 wt. percent smaller than 1/32 inch in maximum diameter.
Claim 2
Dependent Claim
90 words
An animal bedding comprising subdivided newsprint consisting essentially of flat particles with irregularly shaped major surfaces of a maximum diameter not more than about three times the minimum diameter, said maximum diameter being less than about one-inch, said particles having a particle size distribution including at least about 15 wt. percent greater than one-quarter inch maximum diameter, at least about 40 wt. percent greater than 1/32 inch but less than one-quarter inch in maximum diameter and not more than about 30 wt. percent smaller than 1/32 inch in maximum diameter.
Claim 3
Dependent Claim
36 words
An animal bedding according to claim 1 wherein said particle size distribution includes about 25 wt. percent greater than one-quarter inch in maximum diameter and about 25 wt. percent smaller than 1/32 inch in maximum diameter.
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) | 1986-04-04 | 1986-10-04 | 1987-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-04-04 | 1990-10-04 | 1991-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-04-04 | 1994-10-04 | 1995-04-05 | $7700.00 | Window Closed / Lapsed |