US3589960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making non-twisted cordage
Assignee: Wall Industries Inc
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Filing: 1967-05-29
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Granted: 1971-06-29
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Expires: 1987-05-29
Abstract
Abstract INTERNALLY BONDED CORDAGE MATERIAL IS PRODUCED BY JOINGING THERMOPLASTIC FILAMENTS OR THERMOPLASTIC RIBBON WITH A PLASTIC BINDER AND THEN CRIMPING OR COMPRESSING TO ROUND OUT AND FORM A BUNDLE WHEREIN THE BINDER IS DISTRIBUTED ALONG THE CORE OF THE THUS-FORMED CORDAGE ARTICLE. EXTERNALLY BONDED CORDAGE IS PRODUCED BY SETTING UP AN AREA OF FALSE TWIST WITHIN A BUNDLE OF FILAMENTS AND CONTACTING THE EXTERIOR OF THE FILAMENT BUNDLE WITH BINDER STRANDS OF MOLTEN PLASTIC APPLIED IN AN OSCILLATING FASHION AND THEN RELEASING THE FALSE TWIST AFTER SETTING OF THE PLASTIC BINDER.
Inventors
- 👤 Henry A Hood
- 👤 Warren R Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:26
CPC Classifications
D; D07; D07B; D07B1/00; D07B1/02; D07B1/04; D02; D02G; D02G3/00; D02G3/22; D02G3/38; D07B1/16; D07B1/162
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1974-06-28 | 1974-12-28 | 1975-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-28 | 1978-12-28 | 1979-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-28 | 1982-12-28 | 1983-06-29 | $7700.00 | Window Closed / Lapsed |