Patent US3061874A successfully refreshed from Google Patents.
US3061874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Melt spinning apparatus
Assignee: EIDP Inc
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Filing: 1960-11-23
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Granted: 1962-11-06
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Expires: 1980-11-23
Abstract
No abstract record available.
Inventors
- 👤 Ray F Lees
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:06
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/22; D01D5/23; D01D5/08; D01D5/088
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A SPINNING APPARATUS ADAPTED TO SPIN MOLTEN SYNTHETIC POLYMER COMPRISING A SPINNERET HAVING A PLATE CONTAINING A PLURALITY OF SPINNING ORIFICES ARRANGE IN CIRCULAR FORM WITHOUT ORIFICES NEAR THE CENTER OF THE PLATE, MEANS FOR SUPPLYING A MOLTEN SYNTHETIC POLYMER TO THE SPINNERET, MEANS FOR SUPPLYING AN ANNULAR JET 1/2 TO 11/2" IN HEIGHT OF QUENCHING GAS CONCENTRIC WITH AND WITHIN ABOUT 3/4" FROM THE OUTER CIRCLE OF THE SPINNING ORIFICES FOR DIRECTING THE GAS RADIALLY INWERDLY UNIFORMLY AROUND AND WITHIN ABOUT 3/10" OF THE SPINNERET ORIFICES AND PARALLEL TO THE OUTER FACE OF THE SPINNERET PLATE.
Claim 2
Dependent Claim
97 words
A SPINNING APPARATUS ADAPTED TO SPIN MOLTEN SYNTHETIC POLYMER COMPRISING A SPINNERET HAVING A PLATE CONTAINING A PLURALITY OF SPINNING ORIFICES ARRANGE IN CIRCULAR FORM WITHOUT ORIFICES NEAR THE CENTER OF THE PLATE, MEANS FOR SUPPLYING A MOLTEN SYNTHETIC POLYMER TO THE SPINNERET, MEANS FOR SUPPLYING AN ANNULAR JET 1/2 TO 11/2" IN HEIGHT OF QUENCHING GAS CONCENTRIC WITH AND WITHIN ABOUT 3/4" FROM THE OUTER CIRCLE OF THE SPINNING ORIFICES FOR DIRECTING THE GAS RADIALLY INWERDLY UNIFORMLY AROUND AND WITHIN ABOUT 3/10" OF THE SPINNERET ORIFICES AND PARALLEL TO THE OUTER FACE OF THE SPINNERET PLATE.
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) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |