US4596570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Napkin with extendable tabs
Assignee: Personal Products Co
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Filing: 1985-08-29
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Granted: 1986-06-24
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Expires: 2005-08-29
Abstract
Abstract A sanitary napkin is provided which is capable of being used as is or can be elongated by simple action by the user. The napkin comprises short tabs having pleats therein which can be unfolded to render the napkin longer.
Inventors
- 👤 Wanda Jackson
- 👤 Subramanian Srinivasan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:37
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/56; A61F13/5605; A61F13/5611; A61F13/45; A61F13/47; A61F13/4704; A61F13/474; A61F13/51; A61F13/511; A61F13/53; A61F13/539; A61F13/58; A61F13/505; A61F2013/5055; A61F2013/51186; A61F2013/53908; A61F2013/583
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
141 words
A sanitary napkin comprising a central absorbent element having a body facing side, a garment facing side, longitudinally extending edges and transverse ends; a body fluid pervious cover on the body facing side; a body fluid impervious cover on the garment facing side; said covers extending longitudinally beyond said central core to form elongated tabs; at least one longitudinally extending adhesive element on the garment facing side of said tabs; said tabs having a plurality of transverse folds dividing said tabs into transverse panels; said folds biasing said panels to fold upon adjacent panels in face to face relationship in a pattern of body facing side to body facing side relationship alternating with garment facing side to garment facing side relationship to form a plurality of pleats in said tabs; said pleats being held releasably in place by said adhesive elements.
Claim 2
Dependent Claim
141 words
A sanitary napkin comprising a central absorbent element having a body facing side, a garment facing side, longitudinally extending edges and transverse ends; a body fluid pervious cover on the body facing side; a body fluid impervious cover on the garment facing side; said covers extending longitudinally beyond said central core to form elongated tabs; at least one longitudinally extending adhesive element on the garment facing side of said tabs; said tabs having a plurality of transverse folds dividing said tabs into transverse panels; said folds biasing said panels to fold upon adjacent panels in face to face relationship in a pattern of body facing side to body facing side relationship alternating with garment facing side to garment facing side relationship to form a plurality of pleats in said tabs; said pleats being held releasably in place by said adhesive elements.
Claim 3
Dependent Claim
17 words
The napkin of claim 1 wherein said tabs further comprise an absorbent layer between said extended covers.
Claim 4
Dependent Claim
38 words
The napkin of claim 2 wherein said absorbent layer extends, longitudinally, from the end of a first of said tabs, overlies a side of the absorbent element and extends to the end of the second of said tabs.
Claim 5
Dependent Claim
18 words
The napkin of claim 3 wherein said absorbent layer overlies the garment facing side of said absorbent element.
Claim 6
Dependent Claim
18 words
The napkin of claim 3 wherein said absorbent layer overlies the body facing side of said absorbent element.
Claim 7
Dependent Claim
22 words
The napkin of claim 1 wherein said longitudinally extending adhesive element is discontinuous so that adhesive is provided on alternate adjacent panels.
Claim 8
Dependent Claim
20 words
The napkin of claim 1 wherein said folds are positioned to produce pleats partially overlying each other in staggered relationship.
Claim 9
Dependent Claim
17 words
The napkin of claim 1 wherein said folds are positioned to produce pleats fully overlying each other.
Claim 10
Dependent Claim
20 words
The napkin of claim 1 wherein said folds are positioned to produce pleats which totally lie over the absorbent element.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-06-23 | 1989-12-23 | 1990-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-06-23 | 1993-12-23 | 1994-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-06-23 | 1997-12-23 | 1998-06-24 | $7700.00 | Window Closed / Lapsed |