US2689813A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making continuous twistless bonded yarn
Assignee: Fiberbond Laboratories Inc
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Filing: 1951-12-11
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Granted: 1954-09-21
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Expires: 1971-12-11
Abstract
No abstract record available.
Inventors
- 👤 Lawrence Beardsley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:21
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/22; D02G3/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
THE METHOD OF MAKING A CONTINUOUS TWISTLESS STRAND FROM STAPLE FIBERS COMPRISING THE FOLLOWING STEPS: ALIGNING THE FIBERS IN STRAIGHT PARALLEL RELATIONSHIP OVERLAPPING EACH OTHER IN AN EXTREMELY THIN RIBBON OF ONLY SEVERAL FIBERS'' THICKNESS SAID FIBERS BEING SO EXTREMELY DISPSESED IN SAID RIBBON THAT SAID RIBBON CANNOT SUSTAIN ITS OWN WEIGHT ACROSS A SUBSTANTIALL GAP UNDER PROCESSING CONDITIONS, PLACING THE RIBBON UPON A SUR-
Claim 2
Independent Claim
65 words
THE METHOD OF MAKING A CONTINUOUS TWISTLESS STRAND FROM STAPLE FIBERS COMPRISING THE FOLLOWING STEPS: ALIGNING THE FIBERS IN STRAIGHT PARALLEL RELATIONSHIP OVERLAPPING EACH OTHER IN AN EXTREMELY THIN RIBBON OF ONLY SEVERAL FIBERS'' THICKNESS SAID FIBERS BEING SO EXTREMELY DISPSESED IN SAID RIBBON THAT SAID RIBBON CANNOT SUSTAIN ITS OWN WEIGHT ACROSS A SUBSTANTIALL GAP UNDER PROCESSING CONDITIONS, PLACING THE RIBBON UPON A SUR-
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) | 1957-09-20 | 1958-03-22 | 1958-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-20 | 1962-03-22 | 1962-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-20 | 1966-03-22 | 1966-09-21 | $7700.00 | Window Closed / Lapsed |