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US4816026A Expired / Lapsed US ⏱️ 0.0 years remaining

Disposable diaper having an improved leg conforming cuff

Assignee: Procter and Gamble Co
•
Filing: 1987-06-25
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Granted: 1989-03-28
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Expires: 2007-06-25
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Abstract

Abstract A disposable diaper having an improved leg cuff. The disposable diaper is provided with an elastic member which is affixed to the diaper at its ends and unaffixed in its central portion. The elastic member is contained between seams having bond portions and hinge portions.

Inventors

  • 👤 James W. Richardson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 06:14
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/45; A61F13/49; A61F13/49007; A61F13/49009; A61F13/49017; A61F13/4902; A61F5/00; A61F5/44

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 190 words
A disposable diaper comprising: an outer covering layer; an absorbent means for absorbing liquids, said absorbent means being encased within said covering layer; elasticized longitudinal portions at both longitudinal sides of the diaper, said elasticized longitudinal portions having a cuff and at least three individual and uninterconnected elastic members operatively associated with said cuff in an elastically contractible condition, said elastic members having a cross sectional perimeter, two affixed portions and an unaffixed portion between said two affixed portions, said cuff having a first layer overlapping a portion of said cross sectional perimeter and said second layer overlapping another portion of said cross sectional perimeter, said two affixed portions of said elastic being affixed to said cuff and said affixed portion of said elastic being unaffixed to said cuff; and seams affixing said first layer to said second layer, said seams being positioned adjacent to said elastic members and having bond segments and hinge segments alternately positioned along the length of said seams, said first layer being affixed to said second layer at said bond segments and said first layer being unaffixed to said second layer at said hinge segments.
Claim 2
Dependent Claim 190 words
A disposable diaper comprising: an outer covering layer; an absorbent means for absorbing liquids, said absorbent means being encased within said covering layer; elasticized longitudinal portions at both longitudinal sides of the diaper, said elasticized longitudinal portions having a cuff and at least three individual and uninterconnected elastic members operatively associated with said cuff in an elastically contractible condition, said elastic members having a cross sectional perimeter, two affixed portions and an unaffixed portion between said two affixed portions, said cuff having a first layer overlapping a portion of said cross sectional perimeter and said second layer overlapping another portion of said cross sectional perimeter, said two affixed portions of said elastic being affixed to said cuff and said affixed portion of said elastic being unaffixed to said cuff; and seams affixing said first layer to said second layer, said seams being positioned adjacent to said elastic members and having bond segments and hinge segments alternately positioned along the length of said seams, said first layer being affixed to said second layer at said bond segments and said first layer being unaffixed to said second layer at said hinge segments.
Claim 3
Dependent Claim 30 words
The disposable diaper of claim 1 wherein said bond segments have a length less than about 10 cm and said hinge segments have a length less than about 5 cm.
Claim 4
Dependent Claim 25 words
The disposable diaper of claim 1 wherein said seams are positioned adjacent to said elastic members only at the unaffixed portion of said elastic members.

References Cited (Backward Citations)

US4573991A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1992-03-27 1992-09-26 1993-03-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1996-03-27 1996-09-26 1997-03-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2000-03-27 2000-09-26 2001-03-28 $7700.00 Window Closed / Lapsed

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