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US4641381A Expired / Lapsed US ⏱️ 0.0 years remaining

Disposable underpants, such as infant's training pants and the like

Assignee: Kimberly Clark Worldwide Inc
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Filing: 1985-01-10
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Granted: 1987-02-10
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Expires: 2005-01-10
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Abstract

Abstract A disposable underpant (10, 10') comprising a front panel (11) and rear panel (12) joined together along side seams (13) to provide a three-dimensional garment having a pair of elasticized leg openings (14) and an elasticized waist opening (15), and including a bodyside liner (16), outer cover (17) and absorbent batt (18) therebetween, in which the outer cover (17) has an inner layer (30) of plastic material and an outer layer (31) of nonwoven fibrous material.

Inventors

  • 👤 William M. Heran
  • 👤 Glen R. Fleischer
  • 👤 Joyce A. Damico
  • 👤 Paul T. Van Gompel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 10:32
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/45; A61F13/49; A61F13/49007; A61F13/49009; A61F13/49011; A61F13/49017; A61F2013/4512; A61F2013/4518

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 142 words
In a three-dimensional disposable underpant including a liquid pervious inner bodyside liner having opposed marginal side edges, a liquid impervious outer cover having opposed marginal side edges and being generally superimposed over said liquid pervious inner bodyside liner, an absorbent batt disposed between said liquid pervious inner bodyside liner and said liquid impervious outer cover, said liquid pervious inner bodyside liner and said liquid impervious outer cover having respective portions of their marginal side edges joined together to form a pair of side seams, a waist opening, and a pair of leg openings, and elastic means extending about said openings for providing elasticity thereto, the improvement comprising: said liquid impervious outer cover comprising an inner layer of liquid impervious plastic material adjacent said absorbent batt and an outer layer of nonwoven fibrous material substantially superimposed over and contiguous with said inner layer.
Claim 2
Dependent Claim 142 words
In a three-dimensional disposable underpant including a liquid pervious inner bodyside liner having opposed marginal side edges, a liquid impervious outer cover having opposed marginal side edges and being generally superimposed over said liquid pervious inner bodyside liner, an absorbent batt disposed between said liquid pervious inner bodyside liner and said liquid impervious outer cover, said liquid pervious inner bodyside liner and said liquid impervious outer cover having respective portions of their marginal side edges joined together to form a pair of side seams, a waist opening, and a pair of leg openings, and elastic means extending about said openings for providing elasticity thereto, the improvement comprising: said liquid impervious outer cover comprising an inner layer of liquid impervious plastic material adjacent said absorbent batt and an outer layer of nonwoven fibrous material substantially superimposed over and contiguous with said inner layer.
Claim 3
Dependent Claim 110 words
The underpant of claim 1 wherein said side seams join respective inturned contacting side edge portions of said bodyside liner and said outer cover, each said side seam comprising adjacent thereto a bond portion in the range of about 1/16 inch to about 1/8 inch wide joining said inturned side edge portions, and a flap portion in the range of about 1/8 inch to about 3/8 inch wide between said bond portion and remote free ends of said inturned said side edge portions, whereby said inturned side edge portions are free of one another and provide a soft cushion between said bond portion and a body portion of a wearer.
Claim 4
Dependent Claim 22 words
The underpant of claim 1 wherein said side seams join overlapping side edge portions of said bodyside liner and said outer cover.
Claim 5
Dependent Claim 13 words
The underpant of claim 1 wherein said side seams are manually tearable apart.
Claim 6
Dependent Claim 148 words
A three-dimensional disposable underpant for wearing about a portion of the body, comprising: a disposable liquid pervious inner bodyside liner having opposed marginal side edges, a disposable liquid impervious outer cover having opposed marginal side edges and being generally superimposed over said liquid pervious inner bodyside liner, an absorbent batt disposed between said liquid pervious inner bodyside liner and said liquid impervious outer cover, said liquid pervious inner bodyside liner and said liquid impervious outer cover having respective portions of their marginal side edges joined together to form a pair of side seams, a waist opening, and a pair of leg openings, and elastic means extending about said openings for providing elasticity thereto, said liquid impervious outer cover including an inner layer of liquid impervious plastic material adjacent said absorbent batt and an outer layer of nonwoven fibrous material substantially superimposed over and contiguous with said inner layer.
Claim 7
Dependent Claim 148 words
A three-dimensional disposable underpant for wearing about a portion of the body, comprising: a disposable liquid pervious inner bodyside liner having opposed marginal side edges, a disposable liquid impervious outer cover having opposed marginal side edges and being generally superimposed over said liquid pervious inner bodyside liner, an absorbent batt disposed between said liquid pervious inner bodyside liner and said liquid impervious outer cover, said liquid pervious inner bodyside liner and said liquid impervious outer cover having respective portions of their marginal side edges joined together to form a pair of side seams, a waist opening, and a pair of leg openings, and elastic means extending about said openings for providing elasticity thereto, said liquid impervious outer cover including an inner layer of liquid impervious plastic material adjacent said absorbent batt and an outer layer of nonwoven fibrous material substantially superimposed over and contiguous with said inner layer.
Claim 8
Dependent Claim 109 words
The underpant of claim 5 wherein said side seams join respective inturned contacting side edge portions of said bodyside liner and said outer cover, each said side seam comprising adjacent thereto a bond portion in the range of about 1/16 inch to about 1/8 inch wide joining said inturned side edge portions, and a flap portion in the range of about 1/8 inch to about 3/8 inch wide between said bond portion and remote free ends of said inturned side edge portions, whereby said inturned side edge portions are free of one another and provide a soft cushion between said bond portion and a body portion of the wearer.
Claim 9
Dependent Claim 22 words
The underpant of claim 5 wherein said side seams join overlapping side edge portions of said bodyside liner and said outer cover.
Claim 10
Dependent Claim 13 words
The underpant of claim 5 wherein said side seams are manually tearable apart.

References Cited (Backward Citations)

US3424162A Cited
US4205679A Cited
US4258440A Cited
US4352356A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1990-02-09 1990-08-11 1991-02-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1994-02-09 1994-08-11 1995-02-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1998-02-09 1998-08-11 1999-02-10 $7700.00 Window Closed / Lapsed

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