US3067745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Absorbent product
Assignee: Johnson and Johnson
•
Filing: 1959-08-12
•
Granted: 1962-12-11
•
Expires: 1979-08-12
Abstract
No abstract record available.
Inventors
- 👤 Alfred A Burgeni
- 👤 John C Simkevich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:42
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/20; A61F13/2051; A61L; A61L15/00; A61L15/16; A61L15/22; A61L15/28; Y; Y10; Y10S; Y10S604/00; Y10S604/904
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
AS A NEW ARTICLE OF MANUFACTURE, AN ABSORBENT TAMPON COMPRISING SYNTHETICALLY MODIFIED FIBROUS MATERIAL, SAID FIBERS BEING SUBSTANTIALLY INSOLUBLE IN WATER, SAID FIBERS HAVING CHEMICALLY ATTACHED CATION EXCHANGE GROUPS IN HYDROGEN FORM AND BEING PRESENT IN SUFFICIENT AMOUNT TO IMPART ACIDIFYING AND BUFFERING PROPERTIES TO SAID TAMPON FOR MAINTAINING THE VAGINA IN AN ACID CONDITION.
Claim 2
Dependent Claim
55 words
AS A NEW ARTICLE OF MANUFACTURE, AN ABSORBENT TAMPON COMPRISING SYNTHETICALLY MODIFIED FIBROUS MATERIAL, SAID FIBERS BEING SUBSTANTIALLY INSOLUBLE IN WATER, SAID FIBERS HAVING CHEMICALLY ATTACHED CATION EXCHANGE GROUPS IN HYDROGEN FORM AND BEING PRESENT IN SUFFICIENT AMOUNT TO IMPART ACIDIFYING AND BUFFERING PROPERTIES TO SAID TAMPON FOR MAINTAINING THE VAGINA IN AN ACID CONDITION.
References Cited (Backward Citations)
US2524783A
Cited
US2610953A
Cited
US2681846A
Cited
GB725055A
Cited
GB748135A
Cited
GB727631A
Cited
US2856330A
Cited
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 |