Patent US2242692A successfully refreshed from Google Patents.
US3177872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vaginal tampon and applicator
Assignee: Eastman Kodak Co
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Filing: 1962-11-23
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Granted: 1965-04-13
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Expires: 1982-11-23
Abstract
No abstract record available.
Inventors
- 👤 James R G Pearman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:39
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/20; A61F13/2051
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A TAMPON PRODUCT COMPRISED OF AN OUTER TUBE, AN INNER TUBE SLIDEABLY POSITIONED THEREIN, AND A VAGINAL TAMPON CAPABLE OF EXPULSION UNDER REDUCED FORCE OF ABOUT 1 TO 3.5 POUNDS POSITIONED IN THE OUTER TUBE AND BEING EJECTABLE THEREFROM BY MOVING SAID INNER TUBE TOWARDS SAID TAMPON, SAID VAGINAL TAMPON BEING COMPRISED OF A PLURALITY OF CONTINUOUS SYNTHETIC FILAMENTS FOLDED APPROXIMATELY IN HALF AND COMPRESSED INTO GENERALLY CYLINDRICAL TAMPON FORM SELECTED FROM THE GROUP CONSISTING OF C-SHAPE CROSS-SECTION FILAMENTS, S-SHAPE CROSS-SECTION FILAMENTS, AND MIXTURES THEREOF, SAID FILAMENTS BEING OF A DENIER OF 0.1-10 AND NUMBERING 15,00 TO 50,000, BEING CRIMPED TO FROM 1-2 UP TO ABOUT 20-30 CRIMPS PER INCH AND HAVING BEEN PREPARED FROM TOW CUT INTO LENGTHS OF ABOUT TWICE THE LENGTH OF SAID TAMPON, AND SAID TAMPON HAVING A REMOVAL CORD SECURED THERETO.
Claim 2
Dependent Claim
136 words
A TAMPON PRODUCT COMPRISED OF AN OUTER TUBE, AN INNER TUBE SLIDEABLY POSITIONED THEREIN, AND A VAGINAL TAMPON CAPABLE OF EXPULSION UNDER REDUCED FORCE OF ABOUT 1 TO 3.5 POUNDS POSITIONED IN THE OUTER TUBE AND BEING EJECTABLE THEREFROM BY MOVING SAID INNER TUBE TOWARDS SAID TAMPON, SAID VAGINAL TAMPON BEING COMPRISED OF A PLURALITY OF CONTINUOUS SYNTHETIC FILAMENTS FOLDED APPROXIMATELY IN HALF AND COMPRESSED INTO GENERALLY CYLINDRICAL TAMPON FORM SELECTED FROM THE GROUP CONSISTING OF C-SHAPE CROSS-SECTION FILAMENTS, S-SHAPE CROSS-SECTION FILAMENTS, AND MIXTURES THEREOF, SAID FILAMENTS BEING OF A DENIER OF 0.1-10 AND NUMBERING 15,00 TO 50,000, BEING CRIMPED TO FROM 1-2 UP TO ABOUT 20-30 CRIMPS PER INCH AND HAVING BEEN PREPARED FROM TOW CUT INTO LENGTHS OF ABOUT TWICE THE LENGTH OF SAID TAMPON, AND SAID TAMPON HAVING A REMOVAL CORD SECURED THERETO.
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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) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |