Patent US3067746A successfully refreshed from Google Patents.
US3067746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of cellulosic products
Assignee: Kimberly Clark Corp
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Filing: 1958-08-28
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Granted: 1962-12-11
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Expires: 1978-08-28
Abstract
No abstract record available.
Inventors
- 👤 John C Bletzinger
- 👤 Winterton U Day
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:50
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/53; A61F13/534; A61F13/537; A61F13/53704; A61F13/53708; A61F13/53717; A61L; A61L15/00; A61L15/16; A61L15/22; A61L15/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A SANITARY NAPKIN COMPRISING A PAD-LIKE MAIN BODY PORTION OF FLUID ABSORBENT MATERIAL HAVING AN INWARDLY POSITIONED FLUID CONTROL ZONE EXTENDING IN THE MAJOR PLANE OF THE BODY PORTION AND SUBSTANTIALLY CO-EXTENSIVE THEREWITH, SAID FLUID CONTROL ZONE CONSISTING OF A SHEET OF LIGHT WEIGHT CREPED TISSUE IMPREGNATED WITH A THERMOPLASTIC MATERIAL TO AN EXTENT TO RENDER SAID SHEET FLUID REPELLENT BUT NOT A TOTAL FLUID BARRIER, AND IMMEDIATELY ADJACENT AREAS OF FLUID ABSORBENT MATERIAL HAVING DISCRETE PARTICLES OF THERMOPLASTIC MATERIAL INTERSPERED THERETHROUGH IN AMOUNTS WHICH DIMINISH OUTWARDLY O F SAID SHEET, THE DEPTH OF SAID ZONE BEING SUBSTANTIALLY LESS THAN THE DEPTH OF SAID BODY PORTION.
Claim 2
Dependent Claim
106 words
A SANITARY NAPKIN COMPRISING A PAD-LIKE MAIN BODY PORTION OF FLUID ABSORBENT MATERIAL HAVING AN INWARDLY POSITIONED FLUID CONTROL ZONE EXTENDING IN THE MAJOR PLANE OF THE BODY PORTION AND SUBSTANTIALLY CO-EXTENSIVE THEREWITH, SAID FLUID CONTROL ZONE CONSISTING OF A SHEET OF LIGHT WEIGHT CREPED TISSUE IMPREGNATED WITH A THERMOPLASTIC MATERIAL TO AN EXTENT TO RENDER SAID SHEET FLUID REPELLENT BUT NOT A TOTAL FLUID BARRIER, AND IMMEDIATELY ADJACENT AREAS OF FLUID ABSORBENT MATERIAL HAVING DISCRETE PARTICLES OF THERMOPLASTIC MATERIAL INTERSPERED THERETHROUGH IN AMOUNTS WHICH DIMINISH OUTWARDLY O F SAID SHEET, THE DEPTH OF SAID ZONE BEING SUBSTANTIALLY LESS THAN THE DEPTH OF SAID BODY PORTION.
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) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |