Patent FR2636835A1 successfully refreshed from Google Patents.
Patent DE2149449A1 successfully refreshed from Google Patents.
US3055369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Absorbent product
Assignee: Personal Products Co
•
Filing: 1957-08-15
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Granted: 1962-09-25
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Expires: 1977-08-15
Abstract
No abstract record available.
Inventors
- 👤 Jr George C Graham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:54
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/53; A61F13/534; A61F13/20; A61F13/2051; A61F13/45; A61F13/47; A61F13/475; A61F13/4751; A61F13/4755; A61F13/537; A61F13/53704; A61F13/53708; A61F13/53743; A61F13/53747; A61F13/53752; A61F13/53756; 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
90 words
A CATAMENIAL DEVICE OF IMPROVED ABSROBENCY COMPRISING A SELF-SUPPORTING, DISPOSABLE BODY CONTAINING AN INNER CORE PORTION OF ABSORBENT CELLULOSIC FIBERS HAVING AN AVERAGE DEGREE OF CARBOXYALKYL SUBSTITUTION OF FROM ABOUT 0.03 TO ABOUT 0.35 CARBOYXALKYL GROUP PER GLUCOSE RESIDUE IN THE CELLULOSE, SAID CARBOXYALKYL GROUPS BEING IN THE FORM OF A SALT, AND AN OUTER SHEATH PORTION OF FIBERS HAVING GREATER FLUID TRANSFERENCE ABILITY AND LESSER ABSORPTIVE CAPACITY THAN SAID CORE; AND MEANS ASSOCIATED THEREWITH TO POSITION SAID BODY OF FIBERS FOR THE RECEPTION, ABSORPTION AND RETENTION OF CATAMENIAL FLUIDS.
Claim 2
Dependent Claim
90 words
A CATAMENIAL DEVICE OF IMPROVED ABSROBENCY COMPRISING A SELF-SUPPORTING, DISPOSABLE BODY CONTAINING AN INNER CORE PORTION OF ABSORBENT CELLULOSIC FIBERS HAVING AN AVERAGE DEGREE OF CARBOXYALKYL SUBSTITUTION OF FROM ABOUT 0.03 TO ABOUT 0.35 CARBOYXALKYL GROUP PER GLUCOSE RESIDUE IN THE CELLULOSE, SAID CARBOXYALKYL GROUPS BEING IN THE FORM OF A SALT, AND AN OUTER SHEATH PORTION OF FIBERS HAVING GREATER FLUID TRANSFERENCE ABILITY AND LESSER ABSORPTIVE CAPACITY THAN SAID CORE; AND MEANS ASSOCIATED THEREWITH TO POSITION SAID BODY OF FIBERS FOR THE RECEPTION, ABSORPTION AND RETENTION OF CATAMENIAL FLUIDS.
References Cited (Backward Citations)
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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) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |