US2719337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making non-woven fabric
Assignee: International Cellucotton Products Co
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Filing: 1949-05-28
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Granted: 1955-10-04
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Expires: 1969-05-28
Abstract
No abstract record available.
Inventors
- 👤 Kenneth J Harwood
- 👤 Carlton H Hogue
- 👤 Dain Harvey J Le
- 👤 Reinhardt N Sabee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:23
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/70; D04H1/72; D04H1/732; D01; D01G; D01G25/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
THE METHOD FO FORMING A NON-WOVEN LAYER OF FIBERS WHICH COMPRISES THE STEPS OF PROPELLING A FORAMINOUS MEMBER ALONG A PREDETERMINED PATH, FORCEFULLY PROPELLING A STREAM OF FIBERS DIRECTLY TO SAID FORAMINOUS MEMBER SO AS TO CAUSE THE LATTER TO INTERCEPT THE FIBERS AND COLLECT THE SAME IN LAYER FROM ON SAID MEMBER, AND CAUSING AIR CURRENTS TO FLOW SIMULTANEOUSLY AT SELECTED FLOW RATES OBLIQUELY AGAINST OPPOSITE SIDES OF AND IN THE DIRECTION OF FLOW OF SAID FIBERS STREAM TO THEREBY CONTROLL THE POSITION AND WIDTH OF SAID STREAM.
Claim 2
Independent Claim
89 words
THE METHOD FO FORMING A NON-WOVEN LAYER OF FIBERS WHICH COMPRISES THE STEPS OF PROPELLING A FORAMINOUS MEMBER ALONG A PREDETERMINED PATH, FORCEFULLY PROPELLING A STREAM OF FIBERS DIRECTLY TO SAID FORAMINOUS MEMBER SO AS TO CAUSE THE LATTER TO INTERCEPT THE FIBERS AND COLLECT THE SAME IN LAYER FROM ON SAID MEMBER, AND CAUSING AIR CURRENTS TO FLOW SIMULTANEOUSLY AT SELECTED FLOW RATES OBLIQUELY AGAINST OPPOSITE SIDES OF AND IN THE DIRECTION OF FLOW OF SAID FIBERS STREAM TO THEREBY CONTROLL THE POSITION AND WIDTH OF SAID STREAM.
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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) | 1958-10-03 | 1959-04-04 | 1959-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-03 | 1963-04-04 | 1963-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-03 | 1967-04-04 | 1967-10-04 | $7700.00 | Window Closed / Lapsed |