US4258660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Animal litter composition
Assignee: Individual
•
Filing: 1979-11-08
•
Granted: 1981-03-31
•
Expires: 1999-11-08
Abstract
Abstract An animal litter composition in pelletized form comprising straw as the major ingredient, sunflower hulls and dried alfalfa as minor constituents, and with a suitable binder.
Inventors
- 👤 Harold C. Pris
- 👤 Leo Froelich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:26
CPC Classifications
A; A01; A01K; A01K1/00; A01K1/015; A01K1/0152; A01K1/0154; A01K1/0155
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
54 words
An animal litter composition consisting essentially of straw, sunflower hulls, dried alfalfa, and a binder such as clay, said straw being from the class consisting of grain and grass straws including flax, rye, barley, oats, wheat, durm, triticle, and rice hulls, said dried alfalfa consisting of between approximately 10-30% by weight of the litter.
Claim 2
Dependent Claim
54 words
An animal litter composition consisting essentially of straw, sunflower hulls, dried alfalfa, and a binder such as clay, said straw being from the class consisting of grain and grass straws including flax, rye, barley, oats, wheat, durm, triticle, and rice hulls, said dried alfalfa consisting of between approximately 10-30% by weight of the litter.
Claim 3
Dependent Claim
25 words
An animal litter composition as defined in claim 1 and further characterized by the straw constituting approximately 31% to 65% by weight of the composition.
Claim 4
Dependent Claim
27 words
An animal litter composition as defined in claim 2 and further characterized by said sunflower hulls constituting between approximately 10% to 35% by weight of the litter.
Claim 5
Dependent Claim
26 words
An animal litter composition as defined in claim 3 and further characterized by the binder constituting between approximately 2.5% to 4% by weight of the litter.
Claim 6
Dependent Claim
88 words
An animal litter composition consisting essentially of straw from the class consisting of flax, rye, barley, oats, wheat, durm, triticle, and rice hulls and constituting between 25% to 65% by weight of the litter, sunflower hulls constituting between approximately 10% to 35% by weight of the litter, dried alfalfa constituting between approximately 10% and 30% by weight of the litter and a binder from the class consisting of bentonite, fuller's earth, corn starch, and lignin sulfonite and constituting between approximately 2.5% to 4% by weight of the litter.
Claim 7
Dependent Claim
88 words
An animal litter composition consisting essentially of straw from the class consisting of flax, rye, barley, oats, wheat, durm, triticle, and rice hulls and constituting between 25% to 65% by weight of the litter, sunflower hulls constituting between approximately 10% to 35% by weight of the litter, dried alfalfa constituting between approximately 10% and 30% by weight of the litter and a binder from the class consisting of bentonite, fuller's earth, corn starch, and lignin sulfonite and constituting between approximately 2.5% to 4% by weight of the litter.
Claim 8
Dependent Claim
38 words
An animal litter composition as defined in claim 5 and further characterized by the same being in pellet form, said pellets having a diameter within the range of 3/16 to 1/4" and a length of 3/8 to 1/2".
Claim 9
Dependent Claim
28 words
An animal litter composition as defined in claim 6 wherein the said components of the litter are in ground, particulate character within the range of 3/64 to 3/8".
Claim 10
Dependent Claim
16 words
An animal litter composition as defined in claim 7 wherein the said alfalfa is sun cured.
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) | 1984-03-30 | 1984-09-29 | 1985-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-03-30 | 1988-09-29 | 1989-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-03-30 | 1992-09-29 | 1993-03-31 | $7700.00 | Window Closed / Lapsed |