Patent US3107972A successfully refreshed from Google Patents.
US3107972A
Expired / Lapsed
US
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Process for producing bulkable filamentary polyamide yarns
Assignee: EIDP Inc
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Filing: 1962-10-24
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Granted: 1963-10-22
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Expires: 1982-10-24
Abstract
No abstract record available.
Inventors
- 👤 Pitzl Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:49
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
IN THE PRODUCTION OF YARN, THE STEPS OF: GUIDING FRESHLY SPUN, AXIALLY ADVANCING, DIFFERENTIAL DENIER, POLYAMIDE FILAMENTS INTO BUNDLES ACCORDING TO DENIER; AND GATHERING SAID BUNDLES, AFTER THEIR AXIAL ADVANCE UNDER TENSION THROUGH A DISTANCE SUFFICIENT TO DEVELOP SUBSTANTIALLY MAXIMUM UNDRAWN ORIENTATION, INTO A SINGLE YARN END ADAPTED TO BE DRAWN TO A DENIER OF LESS THAN 2 FOR THE FILAMENTS FROM ONE OF SAID BUNDLES AND A DENIER AT LEAST 1.5 TIMES AS GREAT FOR THE REMAINING FILAMENTS.
Claim 2
Dependent Claim
79 words
IN THE PRODUCTION OF YARN, THE STEPS OF: GUIDING FRESHLY SPUN, AXIALLY ADVANCING, DIFFERENTIAL DENIER, POLYAMIDE FILAMENTS INTO BUNDLES ACCORDING TO DENIER; AND GATHERING SAID BUNDLES, AFTER THEIR AXIAL ADVANCE UNDER TENSION THROUGH A DISTANCE SUFFICIENT TO DEVELOP SUBSTANTIALLY MAXIMUM UNDRAWN ORIENTATION, INTO A SINGLE YARN END ADAPTED TO BE DRAWN TO A DENIER OF LESS THAN 2 FOR THE FILAMENTS FROM ONE OF SAID BUNDLES AND A DENIER AT LEAST 1.5 TIMES AS GREAT FOR THE REMAINING FILAMENTS.
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) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |