US5709089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Package for cooling containing superabsorbent polymer
Assignee: Individual
•
Filing: 1996-03-04
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Granted: 1998-01-20
•
Expires: 2016-03-04
Abstract
Abstract A package for cooling containing a superabsorbent polymer, the package including a bag for receiving and containing a liquid, the bag having an opening therein for receiving liquid medium, the bag being constructed of a material which is water impermeable, the bag having an inside and an outside, a pouch for holding a superabsorbent polymer, the pouch being connected to the inside of the bag, the pouch having a water permeable portion for enabling water to enter the pouch, and a superabsorbent polymer located inside the pouch.
Inventors
- 👤 Gregory D. Dawson
- 👤 Jonathan S. Browne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:26
CPC Classifications
A; A61; A61F; A61F7/00; A61F7/10; F; F25; F25D; F25D3/00; F25D3/02; A61F2007/0001; A61F2007/0059; A61F2007/0063; A61F2007/0064; A61F2007/0065; A61F7/02; A61F2007/0203; A61F2007/0206; A61F2007/0209; A61F2007/0214; F25D2303/00; F25D2303/08; F25D2303/082; F25D2303/0822; F25D2303/08222; F25D2303/085
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
92 words
In a package for cooling containing a superabsorbent polymer, the improvement comprising: a. a bag for receiving and containing a liquid, said bag having an opening therein for receiving said liquid, said bag being constructed of a material which is liquid impermeable, said bag having an inside and an outside, b. a pouch for holding a superabsorbent polymer, said pouch being connected to the inside of said bag, said pouch having a water permeable portion for enabling said liquid to enter said pouch, and c. a superabsorbent polymer located inside said pouch.
Claim 2
Dependent Claim
92 words
In a package for cooling containing a superabsorbent polymer, the improvement comprising: a. a bag for receiving and containing a liquid, said bag having an opening therein for receiving said liquid, said bag being constructed of a material which is liquid impermeable, said bag having an inside and an outside, b. a pouch for holding a superabsorbent polymer, said pouch being connected to the inside of said bag, said pouch having a water permeable portion for enabling said liquid to enter said pouch, and c. a superabsorbent polymer located inside said pouch.
Claim 3
Dependent Claim
10 words
The package of claim 1 wherein said liquid is water.
Claim 4
Dependent Claim
13 words
The package of claim 2 wherein said package is generally rectangular in shape.
Claim 5
Dependent Claim
13 words
The package of claim 3 wherein said bag is generally rectangular in shape.
Claim 6
Dependent Claim
13 words
The package of claim 4 wherein said pouch is generally rectangular in shape.
Claim 7
Dependent Claim
14 words
The package of claim 5 wherein said pouch is constructed from a nonwoven fabric.
Claim 8
Dependent Claim
13 words
The package of claim 1 wherein said package is generally rectangular in shape.
Claim 9
Dependent Claim
13 words
The package of claim 1 wherein said bag is generally rectangular in shape.
Claim 10
Dependent Claim
13 words
The package of claim 1 wherein said pouch is generally rectangular in shape.
Claim 11
Dependent Claim
14 words
The package of claim 1 wherein said pouch is constructed from a nonwoven fabric.
Claim 12
Dependent Claim
14 words
The package of claim 1 wherein said bag is constructed from a polymeric material.
Claim 13
Dependent Claim
14 words
The package of claim 1 wherein said bag is constructed from a polymeric material.
Claim 14
Dependent Claim
117 words
In a package for cooling containing a superabsorbent polymer, the improvement comprising: a. a bag for receiving and containing a liquid, said bag having side walls and a top end and a bottom end, said bag having an opening in the top end thereof for receiving said liquid, said bag being closed at the bottom end thereof, said bag having an inside and an outside, said bag being constructed of a material which is liquid impermeable, b. a water permeable sheet for holding a superabsorbent polymer, said sheet being connected at its edges to said inside of said sidewalls of said bag, and c. a superabsorbent polymer located inside between said liquid impermeable sheet and said sidewalls.
Claim 15
Dependent Claim
117 words
In a package for cooling containing a superabsorbent polymer, the improvement comprising: a. a bag for receiving and containing a liquid, said bag having side walls and a top end and a bottom end, said bag having an opening in the top end thereof for receiving said liquid, said bag being closed at the bottom end thereof, said bag having an inside and an outside, said bag being constructed of a material which is liquid impermeable, b. a water permeable sheet for holding a superabsorbent polymer, said sheet being connected at its edges to said inside of said sidewalls of said bag, and c. a superabsorbent polymer located inside between said liquid impermeable sheet and said sidewalls.
Claim 16
Dependent Claim
10 words
The package of claim 13 wherein said liquid is water.
Claim 17
Dependent Claim
13 words
The package of claim 14 wherein said package is generally rectangular in shape.
Claim 18
Dependent Claim
13 words
The package of claim 13 wherein said package is generally rectangular in shape.
Claim 19
Dependent Claim
13 words
The package of claim 13 wherein said bag is generally rectangular in shape.
Claim 20
Dependent Claim
15 words
The package of claim 13 wherein said water permeable sheet is generally rectangular in shape.
Claim 21
Dependent Claim
16 words
The package of claim 13 wherein said water permeable sheet is constructed from a nonwoven fabric.
Claim 22
Dependent Claim
14 words
The package of claim 13 wherein said bag is constructed from a polymeric material.
References Cited (Backward Citations)
US3066847A
Cited
US3559416A
Cited
US4181285A
Cited
US4404820A
Cited
US4596250A
Cited
US5054290A
Cited
US4780117A
Cited
US4856651A
Cited
US5031418A
Cited
US5263479A
Cited
US5035241A
Cited
US5150707A
Cited
US5393462A
Cited
US5417276A
Cited
US5271244A
Cited
US5447532A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2001-01-19 | 2001-07-21 | 2002-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-01-19 | 2005-07-21 | 2006-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-01-19 | 2009-07-21 | 2010-01-20 | $7700.00 | Window Closed / Lapsed |