Patent US3047444A successfully refreshed from Google Patents.
US3047444A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-woven fabric and method of making the same
Assignee: Kimberly Clark Corp
•
Filing: 1955-07-15
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Granted: 1962-07-31
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Expires: 1975-07-15
Abstract
No abstract record available.
Inventors
- 👤 Kenneth J Harwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:18
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/40; D04H1/58; D04H1/64; D04H1/66; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24446; Y10T428/24455; Y10T428/24802; Y10T428/24826; Y10T442/00; Y10T442/20; Y10T442/2369; Y10T442/2377
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
134 words
WEBBING COMPRISING A NON-WOVEN WEB OF FIBERS HAVING THEREON A NETWORK OF BINDER MATERIAL, AT LEAST SOME OF THE BINDER IN SAID NETWORK HAVING THE CHARACTERISTIC OF BEING STRENGTHENABLE BY STRETCHING AND AT LEAST SOME OF SAID BINDER TENDING TO CONTRACT FROM A STRETCHED CONDITION WHEN RELIEVED OF STRETCHING FORCES, SAID WEB AND SAID NETWORK OF BINDER THEREON HAVING BEEN STRETCHED TO ELONGATE THAT PORTION OF THE NETWORK WHICH BECOMES STRONGER WHEN STRETCHED, THAT PORTION WHICH TENDS TO CONTRACT FROM A STRETCHED CONDITION BEING CONTRACTED TO A LESSER EXTENT THAN IT WAS STRETCHED, WHEREBY SOME OF THE BINDER IN SAID NETWORK IS STRENGTHENED AS AN INCIDENT TO SAID STRETCHING AND SOME OF THE FIBERS OF SAID WEB ARE PUCKERED AS AN INCIDENT TO SAID CONTRACTION, A PUFFED CHARACTERISTIC BEING THEREBY IMPARTED TO THE WEB.
Claim 2
Dependent Claim
134 words
WEBBING COMPRISING A NON-WOVEN WEB OF FIBERS HAVING THEREON A NETWORK OF BINDER MATERIAL, AT LEAST SOME OF THE BINDER IN SAID NETWORK HAVING THE CHARACTERISTIC OF BEING STRENGTHENABLE BY STRETCHING AND AT LEAST SOME OF SAID BINDER TENDING TO CONTRACT FROM A STRETCHED CONDITION WHEN RELIEVED OF STRETCHING FORCES, SAID WEB AND SAID NETWORK OF BINDER THEREON HAVING BEEN STRETCHED TO ELONGATE THAT PORTION OF THE NETWORK WHICH BECOMES STRONGER WHEN STRETCHED, THAT PORTION WHICH TENDS TO CONTRACT FROM A STRETCHED CONDITION BEING CONTRACTED TO A LESSER EXTENT THAN IT WAS STRETCHED, WHEREBY SOME OF THE BINDER IN SAID NETWORK IS STRENGTHENED AS AN INCIDENT TO SAID STRETCHING AND SOME OF THE FIBERS OF SAID WEB ARE PUCKERED AS AN INCIDENT TO SAID CONTRACTION, A PUFFED CHARACTERISTIC BEING THEREBY IMPARTED TO THE WEB.
Claim 3
Dependent Claim
62 words
A NON-WOVEN WEB COMPRISING A MIXTURE OF STRETCHSTRENGTHENABLE THERMOPLASTIC FIBERS AND NON-THERMOPLASTIC FIBERS, SAID FIBERS BEING SECURELY AND FINALLY INTERBONDED AT CROSSINGS THEREOF TO PROVIDE A STABLE INTEGRATED STRUCTURE, AND THE WEB HAVING THEREAFTER BEEN STRETCHED TO STRENGTHEN SAID THERMOPLASTIC FIBERS WITH THE LATTER IN CONDITION FOR STRENGTHENING BY STRETCHING, WHEREBY THE TENSILE STRENGTH AND THE POROSITY OF THE WEB ARE INCREASED.
Claim 4
Dependent Claim
62 words
A NON-WOVEN WEB COMPRISING A MIXTURE OF STRETCHSTRENGTHENABLE THERMOPLASTIC FIBERS AND NON-THERMOPLASTIC FIBERS, SAID FIBERS BEING SECURELY AND FINALLY INTERBONDED AT CROSSINGS THEREOF TO PROVIDE A STABLE INTEGRATED STRUCTURE, AND THE WEB HAVING THEREAFTER BEEN STRETCHED TO STRENGTHEN SAID THERMOPLASTIC FIBERS WITH THE LATTER IN CONDITION FOR STRENGTHENING BY STRETCHING, WHEREBY THE TENSILE STRENGTH AND THE POROSITY OF THE WEB ARE INCREASED.
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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) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |