Patent US2680189A successfully refreshed from Google Patents.
Patent US3575172A successfully refreshed from Google Patents.
US3575172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sanitary pads with end loops for strings
Assignee: Individual
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Filing: 1968-11-06
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Granted: 1971-04-20
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Expires: 1988-11-06
Abstract
Abstract Disclosed herein is an absorbent pad having a pulp filler encased within a wrapper or envelope which extends outwardly from each end of the filler forming end tabs with the end tabs heat sealed onto the wrapper by the thermoplastic material used in forming the wrapper or envelope and a string or cord provided in the loop formed by the end tabs.
Inventors
- 👤 Ruth Joa Kiela
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:05
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/51; A61F13/56; A61F13/5605; A61F13/53; A61F13/534; A61F13/539; A61F2013/53445; A61F2013/5395; A61F2013/5694
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
68 words
An absorbent pad comprising a filler, a wrapper encasing said filler and extending from each end of the filler to form end tabs, said end tabs being folded endwise back onto said wrapper, and means sealing said end tabs to said wrapper, and means comprising a polyethylene film forming a part of said wrapper, said end tabs being folded onto said wrapper with said film in abutting engagement.
Claim 2
Dependent Claim
68 words
An absorbent pad comprising a filler, a wrapper encasing said filler and extending from each end of the filler to form end tabs, said end tabs being folded endwise back onto said wrapper, and means sealing said end tabs to said wrapper, and means comprising a polyethylene film forming a part of said wrapper, said end tabs being folded onto said wrapper with said film in abutting engagement.
Claim 3
Dependent Claim
57 words
An absorbent pad comprising: a filler; a wrapper formed from a moisture absorbent sheet; a moisture resistant film; said wrapper being wrapped about said filler and extending outwardly from each end to form end tabs; and said end tabs being folded back endwise and heat sealed to said wrapper with said moisture resistant film in abutting engagement.
Claim 4
Dependent Claim
57 words
An absorbent pad comprising: a filler; a wrapper formed from a moisture absorbent sheet; a moisture resistant film; said wrapper being wrapped about said filler and extending outwardly from each end to form end tabs; and said end tabs being folded back endwise and heat sealed to said wrapper with said moisture resistant film in abutting engagement.
Claim 5
Dependent Claim
30 words
A pad according to claim 2 including a loop formed by said end tabs at each end of said pad and an attachment means provided in each of said loops.
References Cited (Backward Citations)
CA485682A
Cited
US1681112A
Cited
GB535659A
Cited
US2571577A
Cited
US2599355A
Cited
GB755387A
Cited
DE1046255B
Cited
FR1379185A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-04-19 | 1974-10-19 | 1975-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-19 | 1978-10-19 | 1979-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-19 | 1982-10-19 | 1983-04-20 | $7700.00 | Window Closed / Lapsed |