Patent US3291130A successfully refreshed from Google Patents.
US3291130A
Expired / Lapsed
US
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Catamenial tampon
Assignee: Kimberly Clark Corp
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Filing: 1965-03-15
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Granted: 1966-12-13
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Expires: 1985-03-15
Abstract
No abstract record available.
Inventors
- 👤 Howard A Whitehead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:52
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/20; A61F13/2051; Y; Y10; Y10S; Y10S604/00; Y10S604/904
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
IN A COMPRESSED CATAMENIAL TAMPON COMPRISING A SELF-SUSTAINING CYLINDER OF COMPRESSED ABSORBENT SPONGELIKE MATERIAL HAVING A WITHDRAWAL STRING EXTENDING FROM THE ANTERIOR THEREOF, THE IMPROVEMENT IN STRUCTURE WHEREIN THE MATERIAL IN THE FORWARD PORTION OF SAID TAMPON IS HIGHLY COMPACTED BECOMING GRADUALLY LESS COMPACETED TOWARD THE ANTERIOR PORTION, WHEREIN THE SPONGE-LIKE STRUCTURE OF THE MATERIAL IS IN UNDAMAGED CONDITION IN SAID COMPACTED FORM, AND WHEREIN THE MAJOR DIRECTION OF THE COMPACTIVE FORCE IS TRANSVERSE AND SUBSTANTIALLY DIAMETRIC WHEREBY SAID TAMPON IS ADAPTED TO RE-EXPAND IN USE SUBSTANTIALLY ONLY IN A SINGLE DIAMETRIC DIRECTION.
Claim 2
Dependent Claim
93 words
IN A COMPRESSED CATAMENIAL TAMPON COMPRISING A SELF-SUSTAINING CYLINDER OF COMPRESSED ABSORBENT SPONGELIKE MATERIAL HAVING A WITHDRAWAL STRING EXTENDING FROM THE ANTERIOR THEREOF, THE IMPROVEMENT IN STRUCTURE WHEREIN THE MATERIAL IN THE FORWARD PORTION OF SAID TAMPON IS HIGHLY COMPACTED BECOMING GRADUALLY LESS COMPACETED TOWARD THE ANTERIOR PORTION, WHEREIN THE SPONGE-LIKE STRUCTURE OF THE MATERIAL IS IN UNDAMAGED CONDITION IN SAID COMPACTED FORM, AND WHEREIN THE MAJOR DIRECTION OF THE COMPACTIVE FORCE IS TRANSVERSE AND SUBSTANTIALLY DIAMETRIC WHEREBY SAID TAMPON IS ADAPTED TO RE-EXPAND IN USE SUBSTANTIALLY ONLY IN A SINGLE DIAMETRIC DIRECTION.
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) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |