US3111702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Products formed from continuous filamentary tows
Assignee: Siemens Water Technologies Holding Corp
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Filing: 1961-07-21
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Granted: 1963-11-26
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Expires: 1981-07-21
Abstract
No abstract record available.
Inventors
- 👤 Richard M Berger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:34
CPC Classifications
A; A24; A24D; A24D3/00; A24D3/02; A24D3/0229; A24D3/0233; B; B43; B43K; B43K15/00; B43K15/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
AN ARTICLE COMPRISING A BODY OF CONTINUOUS NONADHESIVE FILAMENTS CONTAINING AT LEAST 50% CELLULOSE ACETATE FILAMENTS AND RANDOMLY ORIENTED PRIMARILY IN A LONGITUDINAL DIRECTION, SAID FILAMENTS CARRYING A PLASTICIZER THEREON, SAID KPLASTICIZER BONDING SAID FILAMENTS AT LEAST SUBSTANTIALLY ONLY AT SPACED APRAT JUNCTURES THEREBETWEEN THROUGHOUT SAID BODY, SAID BODY HAVING A STIFFENTED PERIPHERAL LAYER AND A OSFTER INNER PORTION WITHIN THE CONFINES OF SAID LAYER, SAID LAYER AND SAID INNER PORTION BEING SUBSTANTIALLY EQUALLY POROUS.
Claim 2
Dependent Claim
75 words
AN ARTICLE COMPRISING A BODY OF CONTINUOUS NONADHESIVE FILAMENTS CONTAINING AT LEAST 50% CELLULOSE ACETATE FILAMENTS AND RANDOMLY ORIENTED PRIMARILY IN A LONGITUDINAL DIRECTION, SAID FILAMENTS CARRYING A PLASTICIZER THEREON, SAID KPLASTICIZER BONDING SAID FILAMENTS AT LEAST SUBSTANTIALLY ONLY AT SPACED APRAT JUNCTURES THEREBETWEEN THROUGHOUT SAID BODY, SAID BODY HAVING A STIFFENTED PERIPHERAL LAYER AND A OSFTER INNER PORTION WITHIN THE CONFINES OF SAID LAYER, SAID LAYER AND SAID INNER PORTION BEING SUBSTANTIALLY EQUALLY POROUS.
References Cited (Backward Citations)
US48119A
Cited
US2334253A
Cited
US2676349A
Cited
US2610769A
Cited
US2688380A
Cited
US2900988A
Cited
US2728346A
Cited
GB860392A
Cited
US3079930A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-25 | 1967-05-27 | 1967-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-25 | 1971-05-27 | 1971-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-25 | 1975-05-27 | 1975-11-26 | $7700.00 | Window Closed / Lapsed |