US2978786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making non-woven fabric
Assignee: Crompton and Knowles Corp
•
Filing: 1958-06-13
•
Granted: 1961-04-11
•
Expires: 1978-06-13
Abstract
No abstract record available.
Inventors
- 👤 Richard G Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:49
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/40; D04H1/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
THE METHOD OF FORMING NONWOVEN FABRIC FROM TWO WEBS OF LOOSELY ASSEMBLED TEXTILE FIBERS CONSISTING IN THE FOLLOWING STEPS: FEEDING THE TWO WEBS INTO FACE TO FACE ENGAGEMENT WITH EACH OTHER IN A MANNER TO FORM A NIP THEREBETWEEN, GATHERING FIBERS BEYOND THE NIP TO BE DRAWN FROM BOTH WEBS INTO A GROUP, SOME OF THE FIBERS OF WHICH ARE ROOTED INTO ONE WEB AND OTHER FIBERS OF WHICH ARE ROOTED INTO THE OTHER WEB, AND FORMING SUCCESSIVE GROUPS THUS FORMED INTO INTERCONNECTED KNITTED LOOPS.
Claim 2
Independent Claim
85 words
THE METHOD OF FORMING NONWOVEN FABRIC FROM TWO WEBS OF LOOSELY ASSEMBLED TEXTILE FIBERS CONSISTING IN THE FOLLOWING STEPS: FEEDING THE TWO WEBS INTO FACE TO FACE ENGAGEMENT WITH EACH OTHER IN A MANNER TO FORM A NIP THEREBETWEEN, GATHERING FIBERS BEYOND THE NIP TO BE DRAWN FROM BOTH WEBS INTO A GROUP, SOME OF THE FIBERS OF WHICH ARE ROOTED INTO ONE WEB AND OTHER FIBERS OF WHICH ARE ROOTED INTO THE OTHER WEB, AND FORMING SUCCESSIVE GROUPS THUS FORMED INTO INTERCONNECTED KNITTED LOOPS.
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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) | 1964-04-10 | 1964-10-10 | 1965-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-10 | 1968-10-10 | 1969-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-10 | 1972-10-10 | 1973-04-11 | $7700.00 | Window Closed / Lapsed |