Patent US3131436A successfully refreshed from Google Patents.
US3131436A
Expired / Lapsed
US
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Manufacture of cellulosic product
Assignee: Kimberly Clark Corp
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Filing: 1961-10-04
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Granted: 1964-05-05
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Expires: 1981-10-04
Abstract
No abstract record available.
Inventors
- 👤 Charles J Greiner
- 👤 Anthony S Hubin
- 👤 Ralph G Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 00:53
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/20; A61F13/2082; A61F13/2085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
THE METHOD OF FORMING A TAMPON WITH A WITHDRAWAL CORD THERETHROUGH WHICH COMPRISES LONGITUDINALLY COMPRESSING A TAMPON BODY IN AN ELONGATE DIE TO A HIGH, SUBSTANTIALLY UNIFORM FIBER DENSITY WITH SIMULTANEOUS COMPACTING OF SAID BODY AGAINST THE SURROUNDING LATERAL WALL OF SAID DIE TO FRICTIONALLY HOLD IT AGAINST ROTATION THEREIN, AND THEN NEEDLING A WITHDRAWAL CORD TRANSVERSELY THROUGH SAID BODY WHILE IT REMAINS FRICTIONALLY HELD IN SAID DIE.
Claim 2
Independent Claim
68 words
THE METHOD OF FORMING A TAMPON WITH A WITHDRAWAL CORD THERETHROUGH WHICH COMPRISES LONGITUDINALLY COMPRESSING A TAMPON BODY IN AN ELONGATE DIE TO A HIGH, SUBSTANTIALLY UNIFORM FIBER DENSITY WITH SIMULTANEOUS COMPACTING OF SAID BODY AGAINST THE SURROUNDING LATERAL WALL OF SAID DIE TO FRICTIONALLY HOLD IT AGAINST ROTATION THEREIN, AND THEN NEEDLING A WITHDRAWAL CORD TRANSVERSELY THROUGH SAID BODY WHILE IT REMAINS FRICTIONALLY HELD IN SAID DIE.
References Cited (Backward Citations)
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Cited
US2176114A
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US2330257A
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US2462178A
Cited
US2715374A
Cited
US2926394A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |