Patent US4586199A successfully refreshed from Google Patents.
US4586199A
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Elastic pants
Assignee: Essity Hygiene and Health AB
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Filing: 1982-12-21
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Granted: 1986-05-06
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Expires: 2002-12-21
Abstract
Abstract Elastic pants or briefs for holding a disposable diaper in place, provided in both the front and back piece with elastic threads which define a central portion tapering towards the crotch of the pants, and/or with a central area extending up from the crotch portion, which is more loosely crocheted or knitted than the rest of the pants, thereby achieving effective tightening of the underlying disposable diaper against the body of the user.
Inventors
- 👤 Mats G. Birring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:50
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/56; A61F13/66; A61F13/68; A61F13/72
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
97 words
Elastic pants adapted to hold a diaper in place against the body of a user, the elastic pants being made of an elastic material having a waisted crotch portion joining a front portion of the pants to a rear portion of the pants, the front and rear portions having side edges and waist edges and each having a central portion spaced a substantial distance from said side and waist edges, and means bordering said central portion and exerting greater pressure toward the body of the user than do the central portions when the pants are in use.
Claim 2
Dependent Claim
97 words
Elastic pants adapted to hold a diaper in place against the body of a user, the elastic pants being made of an elastic material having a waisted crotch portion joining a front portion of the pants to a rear portion of the pants, the front and rear portions having side edges and waist edges and each having a central portion spaced a substantial distance from said side and waist edges, and means bordering said central portion and exerting greater pressure toward the body of the user than do the central portions when the pants are in use.
Claim 3
Dependent Claim
15 words
Elastic pants as claimed in claim 1, in which said bordering means comprise elastic threads.
Claim 4
Dependent Claim
28 words
Elastic pants as claimed in claim 2, in which said elastic threads in each of said front and rear portions converge in a direction toward said crotch portion.
Claim 5
Dependent Claim
33 words
Elastic pants as claimed in claim 1, in which said elastic material is crocheted, and in which said bordering means comprises material that is crocheted tighter than the material of said central portions.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-05-05 | 1989-11-04 | 1990-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-05-05 | 1993-11-04 | 1994-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-05-05 | 1997-11-04 | 1998-05-06 | $7700.00 | Window Closed / Lapsed |