US3115745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of drawing, covering and stabilizing synthetic elastomeric yarn
Assignee: Chadbourn Gotham Inc
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Filing: 1962-06-13
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Granted: 1963-12-31
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Expires: 1982-06-13
Abstract
No abstract record available.
Inventors
- 👤 James M Lathem
- 👤 Jr Frank E Bobo
- 👤 Robert M Matthews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:47
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/22; D02G3/32; D02G3/328; D02G3/322
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A METHOD FOR PRODUCING A COVERED ELEASTIC COMPOSITE KNITTING YARN COMPRISING THE STEPS OF UNIFORMLY WRAPPING A MULTI-FILAMENT NYLON YARN HAVING A TORQUE IN ONE DIRECTION AROUND AN ELEASTOMETRIC POLYURETHANE CORE YARN WHILE SAID CORE YARN IS ELONGATED AND HELD UNDER TENSION,
Claim 2
Independent Claim
42 words
A METHOD FOR PRODUCING A COVERED ELEASTIC COMPOSITE KNITTING YARN COMPRISING THE STEPS OF UNIFORMLY WRAPPING A MULTI-FILAMENT NYLON YARN HAVING A TORQUE IN ONE DIRECTION AROUND AN ELEASTOMETRIC POLYURETHANE CORE YARN WHILE SAID CORE YARN IS ELONGATED AND HELD UNDER TENSION,
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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) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |