US3148101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making non-woven batt
Assignee: Celanese Corp
•
Filing: 1958-06-26
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Granted: 1964-09-08
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Expires: 1978-06-26
Abstract
No abstract record available.
Inventors
- 👤 Jr William T Allman
- 👤 Claude E Layman
- 👤 James F Carothers
- 👤 Jr Ralph G Higgins
- 👤 Charles R Haley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:14
CPC Classifications
B; B01; B01D; B01D39/00; B01D39/14; B01D39/16; B01D39/18; A; A24; A24D; A24D3/00; A24D3/02; A24D3/0229; A24D3/0237; D; D01; D01D; D01D5/00; D01D5/04; D04; D04H; D04H3/00; D04H3/08; D04H3/16
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
73 words
THE PROCESS WHICH COMPRISES EXTRUDING A FILAMENT FORMING MATERIAL IN LIQUID PHASE THROUGH A PLURALITY OF ORIFICES TO FORM SUBSTANTIALLY PARALLEL FILAMENTS, DIRECTING A JET OF A GAS AGAINST SAID FILAMENT WHILE STILL IN PLASTIC AND MUTUALLY ADHESIVE CONDITION WHEREBY THE FILAMENTS CONTACT ONE ANOTHER RANDOMLY AND ARE COALESCED AT RANDOMLY SPACED POINTS IN THE ABSENCE OF ANY EXTERNALLY APPLIED BINDER, AND COLLECTING SAID COALESCED FILAMENTS IN THE FORM OF A NON-WOVEN BATT.
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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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |