US2544763A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making fibers
Assignee: Modglin Co Inc
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Filing: 1947-04-21
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Granted: 1951-03-13
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Expires: 1967-04-21
Abstract
No abstract record available.
Inventors
- 👤 Montero Bruno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:37
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/20; D01D5/08; D01F; D01F6/00; D01F6/02; D01F6/20
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
119 words
A METHOD OF FORMING A MATERIAL WHICH IS RENDERED PLASTIC WHEN HEATED ABOVE A PREDETERMINED TEMPERATURE AND WHICH SETS WHEN COOLED BELOW SAID PREDETERMINED TEMPERATURE, INCLUDING THE STEPS OF: HEATING THE MATERIAL ABOVE SAID PREDETERMINED TEMPERATURE TO RENDER IT PLASTIC; MAINTAINING A BODY OF THE PLASTIC MATERIAL SUBSTANTIALLY IN THE SHAPE A CONE THEHE AXIS OF WHICH INTERSECTS THE BASE OF THE CONE THE AN ANGLE OF LESS THAN 90*; AND DRAWING A FILAMENT OF THE MATERIAL FROM THE APEX OF SAID CONE ALONG A PATH WHICH IS SUBSTANTIALLY AN EXTENSION OF THE AXIS OF SAID CONE AND AT AN AMBIENT TEMPERATURE LESS THAN SAID PREDETERMINED TEMPERATURE, DRAWING SAID FILAMENT ALONG SAID PATH RESULTING IN FLATTENING OF SAID FILAMENT.
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) | 1954-03-12 | 1954-09-11 | 1955-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-12 | 1958-09-11 | 1959-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-12 | 1962-09-11 | 1963-03-13 | $7700.00 | Window Closed / Lapsed |