US4018225A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catamenial tampon
Assignee: Gillette Co LLC
•
Filing: 1975-08-18
•
Granted: 1977-04-19
•
Expires: 1995-08-18
Abstract
Abstract The present invention is concerned with catamenial tampons which comprise means for preventing by-pass but yet are readily removable. Generally the tampons are hollow cones of absorbable material with a withdrawal cord attached to the apex and an unfurlable cuff around the outside of the open base end of the cone.
Inventors
- 👤 Stelio Jack Elmi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:27
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/20; A61F13/2022; A61F13/2037; Y; Y10; Y10S; Y10S604/00; Y10S604/904
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
111 words
A catamenial tampon comprising a hollow cone of absorbent material, said cone being adapted so that the open end of the cone which is the insertable end will face the posterior of the vagina when inserted, a withdrawal cord attached to the outside of the apex at the retrievable closed end of the cone and the walls of the insertable open end of the cone being furled outwardly and down to form a cuff which covers a portion of the outer walls of said cone, said cuff providing a tighter fit with the vaginal walls when the tampon is in position and said cuff unfurling upon removal to ease said removal.
Claim 2
Dependent Claim
111 words
A catamenial tampon comprising a hollow cone of absorbent material, said cone being adapted so that the open end of the cone which is the insertable end will face the posterior of the vagina when inserted, a withdrawal cord attached to the outside of the apex at the retrievable closed end of the cone and the walls of the insertable open end of the cone being furled outwardly and down to form a cuff which covers a portion of the outer walls of said cone, said cuff providing a tighter fit with the vaginal walls when the tampon is in position and said cuff unfurling upon removal to ease said removal.
Claim 3
Dependent Claim
23 words
A tampon as defined in claim 1 wherein within the walls of the cone there is included a hydrophilic-water-insoluble, highly water absorbent polymer.
Claim 4
Dependent Claim
39 words
A tampon as defined in claim 1 wherein the outer circumference of the cuff is between 3 and 6 inches and the tampon is designed to occupy the anterior portion of the vagina just posterior to the hymenal ring.
Claim 5
Dependent Claim
29 words
A tampon as defined in claim 1 wherein the cone comprises a water absorbable foam and a mass of water absorbable cellulose fibers encased in a water-permeable non-woven casing.
Claim 6
Dependent Claim
32 words
A tampon as defined in claim 1 which is enclosed in an inserter in a manner such that the open end of the cone faces the posterior of the vagina upon insertion.
References Cited (Backward Citations)
US1743733A
Cited
US1884089A
Cited
US2031638A
Cited
US2330257A
Cited
US3085574A
Cited
US3298369A
Cited
US3749094A
Cited
US3815601A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-04-18 | 1980-10-18 | 1981-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-04-18 | 1984-10-18 | 1985-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-04-18 | 1988-10-18 | 1989-04-19 | $7700.00 | Window Closed / Lapsed |