US3230955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sanitary napkin
Assignee: Joa Curt G Inc
•
Filing: 1963-03-28
•
Granted: 1966-01-25
•
Expires: 1983-03-28
Abstract
No abstract record available.
Inventors
- 👤 Joa Curt George
- 👤 Gene F Kiela
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:28
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/53; A61F13/531; A61F13/532; A61F13/45; A61F13/47; A61F13/475; A61F13/4751; A61F13/4755; A61F13/51; A61F13/511; A61F13/514; A61F13/51474; A61F13/51478; A61F13/534; A61F13/537; A61F13/539; A61F13/51401; A61F2013/51409; A61F2013/5395
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A SANITARY NAPKIN HAVING AT ITS SIDE INTENDED TO BE WORN TOWARD THE BODY, ZONES OF DIFFERENTIAL ABSORBENCY ACROSS ITS WIDTH, INCLUDING: (A) A MEDIAL ZONE OF RELATIVELY HIGH ABSORBENCY, (B) MARGINAL ZONES OF SUBSTANTIALLY NO ABSORBENCY, (C) AND ZONES INTERMEDIATE SAID MEDIAL AND MARGINAL ZONES OF INTERMEDIATE ABSORBENCY, SAID NAPKIN FURTHER COMPRISING A PAD HAVING: (D) A PULP FILLER, (E) AN ENVELOPE ABOUT THE PULP FILLER, SAID ENVELOPE COMPRISING IN FACE RELATION: (1) A PLY OF CELLULOSE WADDING (2) AND A PLY OF MOISTURE RESISTANT FILM (3) THE FACING MARGINS OF SAID PLIES BEING HEAT
Claim 2
Dependent Claim
96 words
A SANITARY NAPKIN HAVING AT ITS SIDE INTENDED TO BE WORN TOWARD THE BODY, ZONES OF DIFFERENTIAL ABSORBENCY ACROSS ITS WIDTH, INCLUDING: (A) A MEDIAL ZONE OF RELATIVELY HIGH ABSORBENCY, (B) MARGINAL ZONES OF SUBSTANTIALLY NO ABSORBENCY, (C) AND ZONES INTERMEDIATE SAID MEDIAL AND MARGINAL ZONES OF INTERMEDIATE ABSORBENCY, SAID NAPKIN FURTHER COMPRISING A PAD HAVING: (D) A PULP FILLER, (E) AN ENVELOPE ABOUT THE PULP FILLER, SAID ENVELOPE COMPRISING IN FACE RELATION: (1) A PLY OF CELLULOSE WADDING (2) AND A PLY OF MOISTURE RESISTANT FILM (3) THE FACING MARGINS OF SAID PLIES BEING HEAT
References Cited (Backward Citations)
US2296341A
Cited
GB648141A
Cited
US2649859A
Cited
US2699170A
Cited
US2815027A
Cited
US2939461A
Cited
US2896626A
Cited
US3004895A
Cited
US3106207A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |