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US5066527A Expired / Lapsed US ⏱️ 0.0 years remaining

Sorptive article

Assignee: Newell Industry International
•
Filing: 1990-01-26
•
Granted: 1991-11-19
•
Expires: 2010-01-26
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Abstract

Abstract A sorptive article that is made of one or more fibrous web elements enclosed within a fibrous web casing and that may be used for absorbing liquid material.

Inventors

  • 👤 Robert D. Newell

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 19:13
CPC Classifications
B; B01; B01J; B01J20/00; B01J20/28; B01J20/28014; B01J20/28033; A; A47; A47L; A47L13/00; A47L13/10; A47L13/16; A47L13/20; B01J20/28023; B01J20/28042; B01J20/28045; B01J20/2805; D; D04; D04H; D04H1/00; D04H1/40; D04H1/42; D04H1/425; D04H1/4258; D04H1/4282; D04H1/4291; D04H1/4326; D04H1/435; D04H1/4382; D04H1/43835; Y; Y10; Y10T; Y10T428/00; Y10T428/13; Y10T428/1348; Y10T428/1352; Y10T428/1362; Y10T428/23; Y10T428/237

Claims Analysis

Total Claims: 23
Claim 1
Independent Claim 36 words
A fluid-sorptive article comprising: (a) a casing member formed of a liquid permeable material; and (b) at least one fibrous web element interiorly disposed in the casing member to form interstitial spaces capable of holding fluids.
Claim 2
Dependent Claim 36 words
A fluid-sorptive article comprising: (a) a casing member formed of a liquid permeable material; and (b) at least one fibrous web element interiorly disposed in the casing member to form interstitial spaces capable of holding fluids.
Claim 3
Dependent Claim 12 words
A fluid-sorptive article according to claim 1, wherein the casing is elongated.
Claim 4
Dependent Claim 16 words
A fluid-sorptive article according to claim 2, wherein the casing member is closed at both ends.
Claim 5
Dependent Claim 16 words
A fluid-sorptive article according to claim 2, wherein the casing member is open at one end.
Claim 6
Dependent Claim 19 words
A fluid-sorptive article according to claim 2, wherein said fibrous web elements extend the length of said casing member.
Claim 7
Dependent Claim 19 words
A fluid-sorptive article according to claim 1, wherein the fibrous web elements comprise discrete linear strands of fibrous web.
Claim 8
Dependent Claim 22 words
A fluid-sorptive article according to claim 1, wherein the fibrous elements comprise parallel sheets of fibrous web rolled together within the casing.
Claim 9
Dependent Claim 16 words
A fluid-sorptive article according to claim 1, wherein the fibrous elements are twisted within the casing.
Claim 10
Dependent Claim 32 words
A fluid-sorptive article according to claim 1, wherein the casing member comprises a nonwoven web material selected from the group consisting of polyester, rayon, olefin, acrylics, wood pulp, cotton and combinations thereof.
Claim 11
Dependent Claim 39 words
A fluid-sorptive article according to claim 9, wherein the casing member is comprised of approximately 40% polyester and approximately 60% of a substance selected from the group consisting of wood pulp, cotton, polyester, rayon, olefin, acrylics, and combinations thereof.
Claim 12
Dependent Claim 36 words
A fluid-sorptive article according to claim 9, wherein the casing member is comprised of approximately 40% polyester and approximately 60% of a substance selected from the group consisting of natural fibers, synthetic fibers, and combinations thereof.
Claim 13
Dependent Claim 15 words
A fluid-sorptive article according to claim 9, wherein the casing member comprises a spun-laced fabric.
Claim 14
Dependent Claim 19 words
A fluid-sorptive article according to claim 1, wherein the casing member comprises a nonwoven web material comprising synthetic fibers.
Claim 15
Dependent Claim 31 words
A fluid-sorptive article according to claim 1, wherein said fibrous web element comprises a nonwoven material selected from the group consisting of polyester, rayon, olefin, acrylics, wood pulp, and combinations thereof.
Claim 16
Dependent Claim 40 words
A fluid-sorptive article according to claim 14, wherein the fibrous web element is comprised of approximately 40% polyester and approximately 60% of a substance selected from the group consisting of wood pulp, cotton, polyester, rayon, olefin, acrylics, and combinations thereof.
Claim 17
Dependent Claim 37 words
A fluid-sorptive article according to claim 14, wherein the fibrous web element is comprised of approximately 40% polyester and approximately 60% of a substance selected from the group consisting of natural fibers, synthetic fibers, and combinations thereof.
Claim 18
Dependent Claim 17 words
A fluid-sorptive article according to claim 14, wherein the fibrous web element is a hydro-entangled spun-laced fabric.
Claim 19
Dependent Claim 20 words
A fluid-sorptive article according to claim 1, wherein said fibrous web element comprises a nonwoven web material comprising synthetic fibers.
Claim 20
Dependent Claim 15 words
A fluid-sorptive article according to claim 1, wherein the article is flat and not elongated.
Claim 21
Dependent Claim 34 words
A fluid-sorptive article according to claim 19, wherein each of the fibrous web elements is formed into a plurality of folded portions and is sewn at multiple places to a portion of the casing.
Claim 22
Dependent Claim 21 words
A fluid-sorptive article according to claim 19, further comprising a mop handle attachment area on a flat side of the article.
Claim 23
Dependent Claim 18 words
A fluid-sorptive article according to claim 1, further comprising one or more foam pieces within the casing member.

References Cited (Backward Citations)

US4448832A Cited
US4717616A Cited
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US4923738A Cited
US4967758A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1994-11-18 1995-05-20 1995-11-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1998-11-18 1999-05-20 1999-11-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2002-11-18 2003-05-20 2003-11-19 $7700.00 Window Closed / Lapsed

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