US3002849A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for forming nonwoven fabric
Assignee: Chicopee Manufacturing Corp
•
Filing: 1956-06-06
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Granted: 1961-10-03
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Expires: 1976-06-06
Abstract
No abstract record available.
Inventors
- 👤 Harmon Carlyle
- 👤 Charles H Plummer
- 👤 Joseph H Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:30
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/40; D04H1/58; D04H1/64; D04H1/68; D04H1/60; D04H1/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
THE METHOD OF FORMING A NONWOVEN FABRIC FROM A RELATIVELY LOOSELY ASSEMBLED LAYER OF OVERLAPPING AND INTERSECTING FIBERS, WHICH COMPRISES POSITIONING DISTRIBUTING MEANS AT ONE SIDE OF THE LAYER, SAID DISTRIBUTING MEANS HAVING A MULTIPLICITY OF APERTURES THERETHROUGH, DISPERSING IN A GAS MACROSCOPIC SOLID PARTICLES OF BONDING MATERIAL IN A SUBSTANTIALLY NONADHESIVE STATE, PASSING THE GAS CARRYING THE PARTICLES INTO THE LAYER IN STREAMS ARRANGED IN A PATERN DETERMINED BY SAID APERTURES, SAID PARTICLES BEING FILTERED FROM THE STREAMS BY SAID FIBERS IN AREAS OF THE LAYER CORRESPONDING TO SAID PATTERN, AND ACTIVAT-
Claim 2
Independent Claim
93 words
THE METHOD OF FORMING A NONWOVEN FABRIC FROM A RELATIVELY LOOSELY ASSEMBLED LAYER OF OVERLAPPING AND INTERSECTING FIBERS, WHICH COMPRISES POSITIONING DISTRIBUTING MEANS AT ONE SIDE OF THE LAYER, SAID DISTRIBUTING MEANS HAVING A MULTIPLICITY OF APERTURES THERETHROUGH, DISPERSING IN A GAS MACROSCOPIC SOLID PARTICLES OF BONDING MATERIAL IN A SUBSTANTIALLY NONADHESIVE STATE, PASSING THE GAS CARRYING THE PARTICLES INTO THE LAYER IN STREAMS ARRANGED IN A PATERN DETERMINED BY SAID APERTURES, SAID PARTICLES BEING FILTERED FROM THE STREAMS BY SAID FIBERS IN AREAS OF THE LAYER CORRESPONDING TO SAID PATTERN, AND ACTIVAT-
References Cited (Backward Citations)
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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) | 1964-10-02 | 1965-04-03 | 1965-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-02 | 1969-04-03 | 1969-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-02 | 1973-04-03 | 1973-10-03 | $7700.00 | Window Closed / Lapsed |