US5447532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Highly absorptive expanding therapeutic water pillow
Assignee: Individual
•
Filing: 1993-09-10
•
Granted: 1995-09-05
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Expires: 2013-09-10
Abstract
Abstract A water pillow comprised of a closed bag made of cloth or nonwoven fabric having high water permeability. A water absorptive high polymer material is contained in the bag and expands with water absorption such that the expansion capacity defines the volume of the water pillow. A deodorant agent can be absorbed in the absorptive material in order to eliminate odors associated with sweat.
Inventors
- 👤 Mitsuko Furuya
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:11
CPC Classifications
A; A61; A61F; A61F7/00; A61F7/02; A61F2007/0059; A61F2007/0063; A61F2007/0064; A61F2007/0065; A61F2007/0203; A61F2007/0206; A61F2007/0209; A61F2007/0214; A61F2007/0244; A61F2007/0258; A61F2007/026
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
180 words
A method for preparing a therapeutic water pillow for use comprising the steps of: providing a therapeutic water pillow comprising a sealable bag made of water permeable material, and water absorptive material being disposed in said bag adapted to expand when absorbing water and thereby give volume to the water pillow; placing said therapeutic water pillow in a larger sealable preparation bag; placing an amount of water adjusted to a preferable temperature in the preparation bag, said amount being selected for providing a required amount of expansion to the water absorptive material which is less than the expansion capacity of the absorptive material whereby the absorptive material can absorb additional liquid when the water pillow is subsequently removed from the preparation bag for use; sealing the preparation bag with the therapeutic water pillow and water therein to allow the water to pass through the sealable bag and be absorbed by the water absorptive material of the water pillow to thereby expand and deploy the water pillow for use; and removing the therapeutic water pillow from the preparation bag for use.
Claim 2
Independent Claim
180 words
A method for preparing a therapeutic water pillow for use comprising the steps of: providing a therapeutic water pillow comprising a sealable bag made of water permeable material, and water absorptive material being disposed in said bag adapted to expand when absorbing water and thereby give volume to the water pillow; placing said therapeutic water pillow in a larger sealable preparation bag; placing an amount of water adjusted to a preferable temperature in the preparation bag, said amount being selected for providing a required amount of expansion to the water absorptive material which is less than the expansion capacity of the absorptive material whereby the absorptive material can absorb additional liquid when the water pillow is subsequently removed from the preparation bag for use; sealing the preparation bag with the therapeutic water pillow and water therein to allow the water to pass through the sealable bag and be absorbed by the water absorptive material of the water pillow to thereby expand and deploy the water pillow for use; and removing the therapeutic water pillow from the preparation bag for use.
Claim 3
Dependent Claim
16 words
A method as claimed in claim 1 wherein the absorptive material is a high polymer material.
Claim 4
Dependent Claim
15 words
A method claimed in claim 1 further including absorbing a deodorant in the absorptive material.
References Cited (Backward Citations)
US2710008A
Cited
US4106478A
Cited
US4325254A
Cited
JPS61163622A
Cited
US4892532A
Cited
JPS63109122A
Cited
JPH0213523A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-09-04 | 1999-03-06 | 1999-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-09-04 | 2003-03-06 | 2003-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-09-04 | 2007-03-06 | 2007-09-05 | $7700.00 | Window Closed / Lapsed |