Patent US2319809A successfully refreshed from Google Patents.
US3789797A
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US
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Cat litter
Assignee: Star Kist Foods Inc
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Filing: 1971-11-12
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Granted: 1974-02-05
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Expires: 1991-11-12
Abstract
Abstract An animal litter prepared from a mixture of alfalfa, bentonite and a binder for absorbing and neutralizing the odors of animal waste matter.
Inventors
- 👤 A Brewer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:46
CPC Classifications
A; A01; A01K; A01K1/00; A01K1/015; A01K1/0152; A01K1/0155; A01K1/0154
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
31 words
A method as set forth in claim 1 wherein said tumbling is effected by depositing the particles of alfalfa and bentonite on a rotating surface whereby said particles snowball into balls.
Claim 2
Dependent Claim
20 words
A method as set forth in claim 1 that includes the step of adding a moistened binder to said powder.
Claim 3
Dependent Claim
13 words
A method as set forth in claim 3 wherein said binder is molasses.
Claim 4
Dependent Claim
33 words
A method as set forth in claim 3 wherein the moisuture level of alfalfa and bentonite relative to the moistened binder is raised during said tumbling to about 50 percent to 60 percent.
Claim 5
Dependent Claim
28 words
A method as set forth in claim 2 wherein the bentonite is mixed with the alfalfa in a ratio of about 2 percent to 3 percent by weight.
Claim 6
Dependent Claim
28 words
A method as set forth in claim 4 wherein the bentonite is mixed with the alfalfa in a ratio of about 2 percent to 3 percent by weight.
Claim 7
Dependent Claim
27 words
A method as set forth in claim 1 wherein the bentonite is mixed with the alfalfa in a ratio of about 2 to 3 percent by weight.
Claim 8
Dependent Claim
32 words
A method as set forth in claim 3 wherein the moisture level of alfalfa and bentonite relative to the moisture binder is raised during said tumbling to about 50 to 60 percent.
Claim 9
Dependent Claim
13 words
A method as set forth in claim 9 wherein said binder is molasses.
Claim 10
Dependent Claim
18 words
A method as set forth in claim 2 that includes the steps of adding molasses to said powder.
References Cited (Backward Citations)
US3353949A
Cited
US3286691A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-02-04 | 1977-08-06 | 1978-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-04 | 1981-08-06 | 1982-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-04 | 1985-08-06 | 1986-02-05 | $7700.00 | Window Closed / Lapsed |