Patent US3291131A successfully refreshed from Google Patents.
US3291131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sanitary napkin, diaper, or hospital pad or the like
Assignee: Individual
•
Filing: 1963-07-19
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Granted: 1966-12-13
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Expires: 1983-07-19
Abstract
No abstract record available.
Inventors
- 👤 Curt G Joa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:36
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/51; A61F13/515; A61F13/15577; A61F13/15617; A61F13/1565; A61F13/53; A61F13/534; A61F13/535; A61F13/537; A61F13/53704; A61F13/53708; A61F13/53717; A61F13/539
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A PAD FOR A SANITARY NAPKIN OR THE LIKE WHICH COMPRISES A HEAT SEALABLE MOISTURE BARRIER PLY, LAMINAE ABOVE AND BELOW THE BARRIER AND EACH COMPRISING FLUFF BATS AND TISSUE WEBS, EACH SAID LAMINA INCLUDING WEB PORTIONS SUSBTANTIALLY ENVELOPING THE UPPER AND LOWER SURFACES OF THE RESPECTIVE BAT AND EXTENDING ABOUT OPPOSITE MARGINS THEREOF, THE HEAT SEALABLE MATERIAL OF THE BARRIER PLY BEING FUSED TO TISSUE WEB LAMINAE HAVING PORTIONS ABOVE AND BELOW THE BAT OF AT LEAST ONE SUCH LAMINA AND PROVIDING A CONNECTION BETWEEN SAID PORTIONS.
Claim 2
Dependent Claim
88 words
A PAD FOR A SANITARY NAPKIN OR THE LIKE WHICH COMPRISES A HEAT SEALABLE MOISTURE BARRIER PLY, LAMINAE ABOVE AND BELOW THE BARRIER AND EACH COMPRISING FLUFF BATS AND TISSUE WEBS, EACH SAID LAMINA INCLUDING WEB PORTIONS SUSBTANTIALLY ENVELOPING THE UPPER AND LOWER SURFACES OF THE RESPECTIVE BAT AND EXTENDING ABOUT OPPOSITE MARGINS THEREOF, THE HEAT SEALABLE MATERIAL OF THE BARRIER PLY BEING FUSED TO TISSUE WEB LAMINAE HAVING PORTIONS ABOVE AND BELOW THE BAT OF AT LEAST ONE SUCH LAMINA AND PROVIDING A CONNECTION BETWEEN SAID PORTIONS.
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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) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |