US3353225A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of forming nonwoven fabric with opposed jets
Assignee: EIDP Inc
•
Filing: 1966-07-05
•
Granted: 1967-11-21
•
Expires: 1986-07-05
Abstract
No abstract record available.
Inventors
- 👤 Jr William C Dodson
- 👤 George R Long
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:20
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/40; D04H1/44; D04H1/46; D04H1/492; D04H1/495; Y; Y10; Y10T; Y10T428/00; Y10T428/29
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
THE PROCESS FOR PREPARING PATTERNED COHERENT STRUCTURES DIRECTLY FROM LOOSE FIBROUS LAYERS WHICH COMPRISES, PASSING A LOOSE FIBROUS LAYER BETWEEN OPPOSED HIGH VELOCITY STREAMS OF FLUID JETTED SUBSTANTIALLY PERPENDICULARLY AGAINST OPPOSITE FACES OF THE LAYER TO SIMULTANEOUSLY INTERLOOP AND PARALLELIZE THE FIBERS, JETTING A SUCCESSION OF SAID OPPOSED STREAMS COALIGNED ALONG A DIRECTION OF TREATMENT OF THE LAYER AND SIMULTANEOUSLY GUIDING THE OUTFLOW OF SAID JETTED FLUID AGAINST THE LAYER ALONG BILATERAL PATHS TRANSVERSE TO SAID DIRECTION OF TREATMENT TO FORM A ROW HAVING A PATTERN CHARACTERIZED BY A CENTER PORTION OF TRANSVERSE PARALLELIZED FIBERS AND BY INTERLOOPED FIBERS COMPACTED ALONG THE SIDES OF THE ROW TO PROVIDE A COHERENT STRUCTURE.
Claim 2
Dependent Claim
111 words
THE PROCESS FOR PREPARING PATTERNED COHERENT STRUCTURES DIRECTLY FROM LOOSE FIBROUS LAYERS WHICH COMPRISES, PASSING A LOOSE FIBROUS LAYER BETWEEN OPPOSED HIGH VELOCITY STREAMS OF FLUID JETTED SUBSTANTIALLY PERPENDICULARLY AGAINST OPPOSITE FACES OF THE LAYER TO SIMULTANEOUSLY INTERLOOP AND PARALLELIZE THE FIBERS, JETTING A SUCCESSION OF SAID OPPOSED STREAMS COALIGNED ALONG A DIRECTION OF TREATMENT OF THE LAYER AND SIMULTANEOUSLY GUIDING THE OUTFLOW OF SAID JETTED FLUID AGAINST THE LAYER ALONG BILATERAL PATHS TRANSVERSE TO SAID DIRECTION OF TREATMENT TO FORM A ROW HAVING A PATTERN CHARACTERIZED BY A CENTER PORTION OF TRANSVERSE PARALLELIZED FIBERS AND BY INTERLOOPED FIBERS COMPACTED ALONG THE SIDES OF THE ROW TO PROVIDE A COHERENT STRUCTURE.
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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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |