US3973567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wrapped sanitary napkins
Assignee: Personal Products Co
•
Filing: 1975-05-19
•
Granted: 1976-08-10
•
Expires: 1995-05-19
Abstract
Abstract A sanitary napkin having an adhesive element thereon for attaching to a undergarment is provided with means for both protecting the napkin and the adhesive element prior to use and for disposing of the napkin after use. The means comprise providing the napkin with a wrapper sheet of flexible material overlying one major surface, and the sides of the napkin and at least partially overlapping on the second major surface of the napkin. The sheet is releasably adhered to and held in place by the adhesive element.
Inventors
- 👤 Subramanian Srinivasan
- 👤 Fred H. Steiger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:01
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/551; A61F13/56; A61F13/58; A61F2013/55195; A61F2013/582; A61F13/84; A61F2013/8402
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
83 words
In a sanitary napkin having an adhesive element thereon for attaching to an undergarment, the improvement which comprises means for protecting said napkin and said adhesive element prior to use and for discarding said napkin after use, said means comprising a sheet of flexible wrapper material overlying one major surface and the sides of said napkin and at least partially overlapping on the second major surface of said napkin, said sheet being releasably adhered to and held in place by said adhesive element.
Claim 2
Dependent Claim
83 words
In a sanitary napkin having an adhesive element thereon for attaching to an undergarment, the improvement which comprises means for protecting said napkin and said adhesive element prior to use and for discarding said napkin after use, said means comprising a sheet of flexible wrapper material overlying one major surface and the sides of said napkin and at least partially overlapping on the second major surface of said napkin, said sheet being releasably adhered to and held in place by said adhesive element.
Claim 3
Dependent Claim
25 words
The improved sanitary napkin of claim 1 wherein said sheet overlaps on the major surface of the napkin on which the adhesive element is disposed.
Claim 4
Dependent Claim
58 words
The improvement of claim 2 wherein said sheet is in the form of a parallelogram having short parallel sides and long parallel sides, said short parallel sides being at least twice as long as the width of the napkin, and said short sides being spaced apart a distance at least as long as the length of said napkin.
Claim 5
Dependent Claim
19 words
The napkin of claim 1 wherein said flexible sheet is sealed to itself at one end of said napkin.
Claim 6
Dependent Claim
39 words
The napkin of claim 1 wherein a cuff is provided on the flexible sheet approximately one end of the napkin whereby said cuff may be turned around said end of the napkin to seal the napkin within the sheet.
Claim 7
Dependent Claim
17 words
The napkin of claim 1 wherein said sheet is integral with an envelope for receiving said napkin.
Claim 8
Dependent Claim
43 words
The napkin of claim 6 wherein said envelope is provided with a cuff at one end thereof whereby said napkin may be placed in said envelope and said cuff may be turned around said catamenial napkin to seal said napkin in said envelope.
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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) | 1979-08-10 | 1980-02-09 | 1980-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-08-10 | 1984-02-09 | 1984-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-08-10 | 1988-02-09 | 1988-08-10 | $7700.00 | Window Closed / Lapsed |