US3262181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for opening fibrous tow
Assignee: Eastman Kodak Co
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Filing: 1963-11-22
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Granted: 1966-07-26
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Expires: 1983-11-22
Abstract
No abstract record available.
Inventors
- 👤 Roy E Hawkins
- 👤 Perry S Barker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:16
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/16; A; A24; A24D; A24D3/00; A24D3/02; A24D3/0204; A24D3/0212; A24D3/022; A24D3/06; A24D3/14; B; B01; B01D; B01D39/00; B01D39/14; B01D39/16; B01D39/18; D01; D01D; D01D10/00; D01D10/04; D01D10/0436; D01D10/0481; D01D11/00; D01D11/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A PROCESS FOR OPENING A TOW MADE UP OF CRIMPED CONTINUOUS FILAMENTS WHICH COMPRISES INTRODUCING THE CRIMPED TOW INTO A TREATING ZONE IN A SUBSTANTIALLY UNIDIRECTIONAL PATH, DIRECTING THEREAGAINST IN SUBSTANTIALLY THE SAME DIRECTION AS THE MOVEMENT OF SAID TOW A FIRST STREAM OF MOTIVATING GAS, DOWNSTREAM FROM SAID INTRODUCTION OF SAID FIRST MOTIVATING GAS DIRECTING A SEPARATE STREAM OF MOTIVATING GAS AGAINST SAID TOW ALSO SUBSTANTIALLY IN THE DIRECTION OF MOVEMENT OF SAID TOW, SAID SEPARATE STREAM BEING DIRECTED IN A PATH CONCENTRIC TO THE AXIAL PATH OF SAID FIRST STREAM TO A POINT AT WHICH SAID STREAMS MERGE IN A SINGLE, CONFINED, GENERALLY CYLINDRICAL COURSE, THEREBY BLOOMING THE PREVIOUSLY CRIMPED FILAMENTS OF SAID TOW AND ADAPTING SAME FOR COMPACTING INTO A UNITARY ROD-LIKE STRUCTURE.
Claim 2
Dependent Claim
126 words
A PROCESS FOR OPENING A TOW MADE UP OF CRIMPED CONTINUOUS FILAMENTS WHICH COMPRISES INTRODUCING THE CRIMPED TOW INTO A TREATING ZONE IN A SUBSTANTIALLY UNIDIRECTIONAL PATH, DIRECTING THEREAGAINST IN SUBSTANTIALLY THE SAME DIRECTION AS THE MOVEMENT OF SAID TOW A FIRST STREAM OF MOTIVATING GAS, DOWNSTREAM FROM SAID INTRODUCTION OF SAID FIRST MOTIVATING GAS DIRECTING A SEPARATE STREAM OF MOTIVATING GAS AGAINST SAID TOW ALSO SUBSTANTIALLY IN THE DIRECTION OF MOVEMENT OF SAID TOW, SAID SEPARATE STREAM BEING DIRECTED IN A PATH CONCENTRIC TO THE AXIAL PATH OF SAID FIRST STREAM TO A POINT AT WHICH SAID STREAMS MERGE IN A SINGLE, CONFINED, GENERALLY CYLINDRICAL COURSE, THEREBY BLOOMING THE PREVIOUSLY CRIMPED FILAMENTS OF SAID TOW AND ADAPTING SAME FOR COMPACTING INTO A UNITARY ROD-LIKE STRUCTURE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |