Patent US3340874A successfully refreshed from Google Patents.
US3340874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tampon having concentric layers with different properties
Assignee: Johnson and Johnson
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Filing: 1964-09-08
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Granted: 1967-09-12
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Expires: 1984-09-08
Abstract
No abstract record available.
Inventors
- 👤 Alfred A Burgeni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:17
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/20; A61F13/2051; A61F13/2068; Y; Y10; Y10S; Y10S604/00; Y10S604/904
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
AN ABSORBENT TAMPON FOR ABSORBING BODY FLUIDS, SAID TAMPON COMPRISING AN ELONGATED CYLINDRICAL BODY OF COMPRESSED ABSORBENT FIBROUS MATERIAL, SAID ABSORBENT FIBROUS MATERIAL BEING ARRANGED IN A PLURALITY OF SECTIONS EXTENDING LENGTHWISE OF SAID TAMPON, SAID SECTIONS INCLUDING A SUBSTANTIALLY CENTRALLY DISPOSED CORE SECTION AND AT LEAST ONE PERIPHERALLY DISPOSED ANNULAR SECTION SUBSTANTIALLY SURROUNDING SAID CORE SECTION, SAID PERIPHERALLY DISPOSED ANNULAR SECTION CONSISTING OF FIBERS RANGING FROM ABOUT 8 TO ABOUT 20 DENIER AND SAID CENTRALLY DISPOSED CORE SECTION CONSISTING OF FIBERS RANGING FROM ABOUT 1.5 TO ABOUT 8 DENIER.
Claim 2
Dependent Claim
90 words
AN ABSORBENT TAMPON FOR ABSORBING BODY FLUIDS, SAID TAMPON COMPRISING AN ELONGATED CYLINDRICAL BODY OF COMPRESSED ABSORBENT FIBROUS MATERIAL, SAID ABSORBENT FIBROUS MATERIAL BEING ARRANGED IN A PLURALITY OF SECTIONS EXTENDING LENGTHWISE OF SAID TAMPON, SAID SECTIONS INCLUDING A SUBSTANTIALLY CENTRALLY DISPOSED CORE SECTION AND AT LEAST ONE PERIPHERALLY DISPOSED ANNULAR SECTION SUBSTANTIALLY SURROUNDING SAID CORE SECTION, SAID PERIPHERALLY DISPOSED ANNULAR SECTION CONSISTING OF FIBERS RANGING FROM ABOUT 8 TO ABOUT 20 DENIER AND SAID CENTRALLY DISPOSED CORE SECTION CONSISTING OF FIBERS RANGING FROM ABOUT 1.5 TO ABOUT 8 DENIER.
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) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |