Patent US4819580A successfully refreshed from Google Patents.
US4819580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable cat litter box
Assignee: A KAD Co BREWSTER
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Filing: 1987-01-09
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Granted: 1989-04-11
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Expires: 2007-01-09
Abstract
Abstract Open-top receptacle is embraced with tube of waterproof polymer film material. The tube extends beyond the receptacle and is sufficiently long and large so that when it is desired to dispose of the litter box, the tube is inverted over the entire litter box to enclose and seal it.
Inventors
- 👤 David A. Foldes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:39
CPC Classifications
A; A01; A01K; A01K1/00; A01K1/01; A01K1/0107
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
198 words
A disposble cat litter box comprising: a receptacle having a bottom and having a top edge mounted on said bottom and extending above said bottom, said top edge defining an interior space within said receptacle which is open at the top; a flexible waterproof tube, said flexible waterproof tube having a portion which is sufficiently large to receive therein said receptacle and being sufficiently large so that said tube portion can extend below said top edge of said receptacle to form a recess within and below said top edge of said receptacle to receive litter; said tube having a closed end thereon and said receptacle being positioned within said tube portion adjacent said closed end of said tube; and said tube extending away from said receptacle to an open end, said tube having an intermediate closure between said portion of said tube which contains said receptacle and said open end, said tube being sufficiently long from said intermediate closure to said open end so that said open end of said tube can be inverted over the portion of said tube which contains said receptacle to enclose said receptacle and said recess in said receptacle formed by said tube.
Claim 2
Dependent Claim
198 words
A disposble cat litter box comprising: a receptacle having a bottom and having a top edge mounted on said bottom and extending above said bottom, said top edge defining an interior space within said receptacle which is open at the top; a flexible waterproof tube, said flexible waterproof tube having a portion which is sufficiently large to receive therein said receptacle and being sufficiently large so that said tube portion can extend below said top edge of said receptacle to form a recess within and below said top edge of said receptacle to receive litter; said tube having a closed end thereon and said receptacle being positioned within said tube portion adjacent said closed end of said tube; and said tube extending away from said receptacle to an open end, said tube having an intermediate closure between said portion of said tube which contains said receptacle and said open end, said tube being sufficiently long from said intermediate closure to said open end so that said open end of said tube can be inverted over the portion of said tube which contains said receptacle to enclose said receptacle and said recess in said receptacle formed by said tube.
Claim 3
Dependent Claim
51 words
The disposable cat litter box of claim 1 wherein said tube is made of thermoplastic waterproof polymer composition film material and said seal at said closed end of said tube is a heat seal and said closure between said open end of said tube and said receptacle is a heat seal.
Claim 4
Dependent Claim
186 words
A disposable cat litter box comprising: a receptacle, said receptacle having opposite side walls, opposite end walls secured thereto, and a bottom secured to said walls to define an open top box having a top edge so that said receptacle defines a recess between said walls and below said top edge; a substantially waterproof synthetic polymer composition material film tube, said film tube having an open end and a closed end, said tube having a width greater than the height of two of said walls plus the length of said bottom therebetween, said receptacle being positioned within said tube adjacent said closed end thereof, with said tube embracing the exterior of said receptacle and being positioned within said recess in said receptacle between and below said top edge of said receptacle, said tube having an intermediate closure between said receptacle and said open end of said tube, the length of said tube between said intermediate closure and said open end of said tube being sufficient so that said tube may be inverted back over the portion of said tube embracing said receptacle to enclose said recess.
Claim 5
Dependent Claim
186 words
A disposable cat litter box comprising: a receptacle, said receptacle having opposite side walls, opposite end walls secured thereto, and a bottom secured to said walls to define an open top box having a top edge so that said receptacle defines a recess between said walls and below said top edge; a substantially waterproof synthetic polymer composition material film tube, said film tube having an open end and a closed end, said tube having a width greater than the height of two of said walls plus the length of said bottom therebetween, said receptacle being positioned within said tube adjacent said closed end thereof, with said tube embracing the exterior of said receptacle and being positioned within said recess in said receptacle between and below said top edge of said receptacle, said tube having an intermediate closure between said receptacle and said open end of said tube, the length of said tube between said intermediate closure and said open end of said tube being sufficient so that said tube may be inverted back over the portion of said tube embracing said receptacle to enclose said recess.
Claim 6
Dependent Claim
56 words
The disposable cat litter box of claim 3 wherein said intermediate closure of said tube between said receptacle and said open end of said tube is a heat seal closure all the way across said tube so that when said tube is inverted over said receptacle and closed at its free end, said recess is enclosed.
Claim 7
Dependent Claim
25 words
The disposable cat litter box of claim 4 wherein said closure at the closed end of said tube is a heat-sealed closure of said tube.
Claim 8
Dependent Claim
59 words
The disposable cat litter box of claim 4 wherein the length of said tube between said open end of said tube and said intermediate closure adjacent said receptacle is sufficiently long so that the free end of said tube may be inverted around said receptacle and said free ends can be gathered and tied to completely enclose said receptacle.
Claim 9
Dependent Claim
49 words
The disposable cat litter box of claim 3 wherein said receptacle is an open-topped box having continuous side walls directed divergently with respect to each other in the upward direction toward said top edge, said side walls being attached to each other and to said bottom of said receptacle.
Claim 10
Dependent Claim
56 words
The disposable cat litter box of claim 7 wherein said intermediate closure of said tube between said receptacle and said open end of said tube is a heat seal closure all the way across said tube so that when said tube is inverted over said receptacle and closed at its free end, said recess is enclosed.
Claim 11
Dependent Claim
25 words
The disposable cat litter box of claim 8 wherein said closure at the closed end of said tube is a heat-sealed closure of said tube.
Claim 12
Dependent Claim
59 words
The disposable cat litter box of claim 8 wherein the length of said tube between said open end of said tube and said intermediate closure adjacent said receptacle is sufficiently long so that the free end of said tube may be inverted around said receptacle and said free ends can be gathered and tied to completely enclose said receptacle.
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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) | 1992-04-10 | 1992-10-10 | 1993-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-04-10 | 1996-10-10 | 1997-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-04-10 | 2000-10-10 | 2001-04-11 | $7700.00 | Window Closed / Lapsed |