US3294091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sanitary napkin
Assignee: Johnson and Johnson
•
Filing: 1965-01-28
•
Granted: 1966-12-27
•
Expires: 1985-01-28
Abstract
No abstract record available.
Inventors
- 👤 Edward A Morse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:55
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/51; A61F13/515; A61F13/53; A61F13/539; A61F13/514; A61F13/51401; A61F2013/51409; A61F2013/53908
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A SANITARY NAPKIN COMPRISING A RELATIVELY THICK, ELONGATED ABSORBENT CORE, A LIQUID PERVIOUS COVER OVER THE TOP AND SIDES OF SAID CORE EXTENDING BEYOND THE ENDS THEREOF AND A THIN FLEXIBLE FILM ADJACENT TO SAID COVER AND COVERING THE BOTTOM AND SIDES OF SAID CORE EXTENDING BEYOND THE ENDS THEREOF COEXTENSIVE WITH SAID COVER, SAID FILM BEING BONDED TO SAID BOTTOM AND SIDES OF SAID CORE, TO THE LONGITUDINAL SIDE EDGES OF SAID COVER AND TO SAID COVER IN THE AREA EXTENDING BEYOND THE ENDS OF SAID CORE, SAID ABSORBENT CORE CONSISTING ESSENTIALLY OF COMMINUTED CELLULOSIC PULP FIBERS HAVING A UNIFORM DENSITY OF FROM ABOUT 14 TO ABOUT 24 GRAINS PER CUBIC INCH.
Claim 2
Dependent Claim
113 words
A SANITARY NAPKIN COMPRISING A RELATIVELY THICK, ELONGATED ABSORBENT CORE, A LIQUID PERVIOUS COVER OVER THE TOP AND SIDES OF SAID CORE EXTENDING BEYOND THE ENDS THEREOF AND A THIN FLEXIBLE FILM ADJACENT TO SAID COVER AND COVERING THE BOTTOM AND SIDES OF SAID CORE EXTENDING BEYOND THE ENDS THEREOF COEXTENSIVE WITH SAID COVER, SAID FILM BEING BONDED TO SAID BOTTOM AND SIDES OF SAID CORE, TO THE LONGITUDINAL SIDE EDGES OF SAID COVER AND TO SAID COVER IN THE AREA EXTENDING BEYOND THE ENDS OF SAID CORE, SAID ABSORBENT CORE CONSISTING ESSENTIALLY OF COMMINUTED CELLULOSIC PULP FIBERS HAVING A UNIFORM DENSITY OF FROM ABOUT 14 TO ABOUT 24 GRAINS PER CUBIC INCH.
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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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |