US3343543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sanitary napkin
Assignee: Individual
•
Filing: 1964-06-10
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Granted: 1967-09-26
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Expires: 1984-06-10
Abstract
No abstract record available.
Inventors
- 👤 Jacob A Glassman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:08
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/45; A61F13/47; A61F13/472; A61F13/47218; A61F13/47227; A61F13/51; A61F13/511; A61F13/53; A61F13/534; A61F13/53409; A61F13/53436; A61F13/537; A61F13/53743; A61F13/53756; A61F13/56; A61F13/64; A61F2013/51078; A61F13/514; A61F13/51401; A61F2013/51409; A61F13/51474; A61F2013/51486; A61F2013/51492; A61F13/53708; A61F2013/53721; A61F2013/53765; A61F2013/53778; A61F2013/5694
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A SANITARY NAPKIN COMPRISING A FLAT SUBSTANTIALLY RECTANGULAR MASS OF FLUID ABSORBENT MATERIAL HAVING A BODY CONTACTING TOP SURFACE, A BOTTOM SURFACE AND SIDE SURFACES; A FLUID RESISTANT BARRIER OVERLYING THE BOTTOM SURFACE; THE SIDE SURFACES AND LONGITUDINAL MARGINAL AREAS OF THE TOP SURFACE; EACH LONGITUDINAL MARGINAL AREA COMPRISING APPROXIMATELY ONE-THIRD THE WIDTH OF THE ABSORBENT MASS SO AS TO LEAVE THE LONGITUDINAL MEDIAL PORTION OF THE TOP SURFACE UNCOVERED; AND A PAIR OF LONGITUDINAL LATERALLY SPACED GROOVES IN SAID MEDIAL PORTION, SAID GROOVES TERMINATING SHORT OF THE ENDS OF SAID MASS AND DEFINING BETWEEN THEM AN AREA THAT WILL PROTRUDE FROM THE TOP SURFACE OF THE MASS IN THE FORM OF A RIDGE WHEN THE MASS IS FOLDED ALONG A MEDIAL LONGITUDINAL LINE INTO AN INVERTED U-SHAPE.
Claim 2
Dependent Claim
128 words
A SANITARY NAPKIN COMPRISING A FLAT SUBSTANTIALLY RECTANGULAR MASS OF FLUID ABSORBENT MATERIAL HAVING A BODY CONTACTING TOP SURFACE, A BOTTOM SURFACE AND SIDE SURFACES; A FLUID RESISTANT BARRIER OVERLYING THE BOTTOM SURFACE; THE SIDE SURFACES AND LONGITUDINAL MARGINAL AREAS OF THE TOP SURFACE; EACH LONGITUDINAL MARGINAL AREA COMPRISING APPROXIMATELY ONE-THIRD THE WIDTH OF THE ABSORBENT MASS SO AS TO LEAVE THE LONGITUDINAL MEDIAL PORTION OF THE TOP SURFACE UNCOVERED; AND A PAIR OF LONGITUDINAL LATERALLY SPACED GROOVES IN SAID MEDIAL PORTION, SAID GROOVES TERMINATING SHORT OF THE ENDS OF SAID MASS AND DEFINING BETWEEN THEM AN AREA THAT WILL PROTRUDE FROM THE TOP SURFACE OF THE MASS IN THE FORM OF A RIDGE WHEN THE MASS IS FOLDED ALONG A MEDIAL LONGITUDINAL LINE INTO AN INVERTED U-SHAPE.
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) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |