Patent US4333471A successfully refreshed from Google Patents.
US4333471A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nipple cover
Assignee: Tokiwa Chemical Industries Co Ltd
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Filing: 1981-01-19
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Granted: 1982-06-08
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Expires: 2001-01-19
Abstract
Abstract A disc-shaped nipple cover has a flexible paper backing sheet covered with pressure sensitive adhesive and a central soft feld pad. Release paper coverings protect the nipple cover until removal prior to usage.
Inventors
- 👤 Tadanobu Nakai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:28
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/14; A61F13/143; A61F13/145; A61F13/15; A61F2013/15008; A61F2013/15016
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
89 words
A nipple-cover in the form of a sheet of paper for covering women's nipples comprising a flexible paper backing having an excellent air permeability, a coating layer of tacky and pressure sensitive adhesive composition united to one surface of said paper backing, a felt fabric member centrally disposed on said one surface, a pair of protective cover release papers for covering said felt fabric arranged to lie one above the other at adjacent edge portions thereof with one edge of an inner release paper being turned up and folded.
Claim 2
Dependent Claim
89 words
A nipple-cover in the form of a sheet of paper for covering women's nipples comprising a flexible paper backing having an excellent air permeability, a coating layer of tacky and pressure sensitive adhesive composition united to one surface of said paper backing, a felt fabric member centrally disposed on said one surface, a pair of protective cover release papers for covering said felt fabric arranged to lie one above the other at adjacent edge portions thereof with one edge of an inner release paper being turned up and folded.
Claim 3
Dependent Claim
13 words
A nipple-cover of claim 1 wherein said paper backing is of circular shape.
Claim 4
Dependent Claim
20 words
A nipple-cover of claim 2 wherein said circular-shaped paper backing is provided with indentation cuts on its entire peripheral edge.
Claim 5
Dependent Claim
26 words
A nipple-cover of claim 1 wherein said adhesive coating layer is applied annularly along a marginal edge portion on said one surface of the paper backing.
References Cited (Backward Citations)
US2292024A
Cited
US3280818A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-06-07 | 1985-12-07 | 1986-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-06-07 | 1989-12-07 | 1990-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-06-07 | 1993-12-07 | 1994-06-08 | $7700.00 | Window Closed / Lapsed |