Patent US4222381A successfully refreshed from Google Patents.
US4222381A
Expired / Lapsed
US
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Menstrual tampon
Assignee: Essity Hygiene and Health AB
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Filing: 1978-12-15
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Granted: 1980-09-16
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Expires: 1998-12-15
Abstract
Abstract In a menstrual tampon comprising one or more webs 1, rolled up in several layers around each other, of moisture-absorbing material, a pull string 2 is anchored and extends out of the tampon. This string is laid around the web 1 in at least two consecutive loops which, with portions 6 running back and forth approximately longitudinally to the tampon, surround and are in contact with at least two opposite side edges 7,8 of the web 1 of absorbent material, and extend out of one end of the tampon. (FIG. 2).
Inventors
- 👤 Leif U. R. Widlund
- 👤 Kerstin A. H. Strandberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:40
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/20; A61F13/2051; A61F13/206; B; B60; B60W; B60W50/00; B60W50/08; B60W50/14; B60W2050/143; Y; Y10; Y10S; Y10S604/00; Y10S604/904
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
162 words
A menstrual tampon, comprising at least one web of moisture absorbing material which is rolled up to form several layers, the web having a pull string anchored therein for removing the tampon from the vagina and having ends extending from one end of the tampon, the pull string having a portion extending in a single loop on both sides of at least one of the layers of the absorbing material web and surrounding that side edge of the absorbing material web which is directed toward said end of the tampon from which said ends of the pull string extend, the two string portions which extend from the said loop at the opposite end of the tampon being laid over the side edge of at least one other layer of the absorbent material web situated inside the first-mentioned at least one layer or absorbent material and extending along the side of the said other layer and out said one end of the tampon.
Claim 2
Dependent Claim
162 words
A menstrual tampon, comprising at least one web of moisture absorbing material which is rolled up to form several layers, the web having a pull string anchored therein for removing the tampon from the vagina and having ends extending from one end of the tampon, the pull string having a portion extending in a single loop on both sides of at least one of the layers of the absorbing material web and surrounding that side edge of the absorbing material web which is directed toward said end of the tampon from which said ends of the pull string extend, the two string portions which extend from the said loop at the opposite end of the tampon being laid over the side edge of at least one other layer of the absorbent material web situated inside the first-mentioned at least one layer or absorbent material and extending along the side of the said other layer and out said one end of the tampon.
Claim 3
Dependent Claim
35 words
A tampon as claimed in claim 1, wherein the pull string exits with both of its ends from the center of the tampon and from inside the innermost layer of the web of absorbent material.
Claim 4
Dependent Claim
46 words
A tampon as claimed in claim 1, wherein the ends of the pull string pass through the loop of said string which surrounds the side edge of the web layer which faces the end of the tampon from which the ends of the pull string emerge.
Claim 5
Dependent Claim
16 words
A tampon as claimed in claim 1, wherein the ends of the pull string are free.
Claim 6
Dependent Claim
17 words
A tampon as claimed in claim 1, wherein the ends of the pull string are joined together.
Claim 7
Dependent Claim
35 words
A tampon as claimed in claim 1, and a sheath which encloses the layers of absorbent material of the tampon and is folded into the center of the layers of absorbent material and the tampon.
Claim 8
Dependent Claim
17 words
A tampon as claimed in claim 6, wherein the tampon sheath is fastened to the absorbent material.
Claim 9
Dependent Claim
23 words
A tampon as claimed in claim 1, which is compressed to such a size and condition as to be insertable into the vagina.
References Cited (Backward Citations)
CA808851A
Cited
GB490024A
Cited
US2112021A
Cited
US2286817A
Cited
FR1007643A
Cited
CH324888A
Cited
US3854481A
Cited
DE2114529A1
Cited
US3814469A
Cited
US3845767A
Cited
FR2229384B1
Cited
SE7704412L
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-09-16 | 1984-03-17 | 1984-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-09-16 | 1988-03-17 | 1988-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-09-16 | 1992-03-17 | 1992-09-16 | $7700.00 | Window Closed / Lapsed |