Patent US571521A successfully refreshed from Google Patents.
US3277526A
Expired / Lapsed
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Flash spinning apparatus
Assignee: EIDP Inc
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Filing: 1964-06-01
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Granted: 1966-10-11
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Expires: 1984-06-01
Abstract
No abstract record available.
Inventors
- 👤 Hollberg Herbert John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:41
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
FLASH SPINNING APPARATUS FOR FORMING A PLEXIFILAMENTARY STRAND COMPRISING A SPINNERET ASSEMBLY AND A BAFFLE MOUNTED FOR OSICILLATORY MOVEMENT, SAID SPINNERET ASSEMBLY COMPRISING STRUCTURE DEFINING A SPINNING ORIFICE, SAID BAFFLE COMPRISING STRUCTURE DEFINING A SMOOTH ARCUATE SURFACE POSITIONED TO INTERCEPT A STRAND IMMEDIATELY AS IT EXITS FROM SAID SPINNING ORIFICE, SAID BAFFLE FURTHER INCLUDING STRUCTURE DEFINING AN INTERIOR PASSAGEWAY DISPOSED IN HEAT EXCHANGE RELATIONSHIP WITH SAID ARCUATE SURFACE AND ADAPTED TO RECEIVE A HEAR EXCHANGE FLUID.
Claim 2
Dependent Claim
76 words
FLASH SPINNING APPARATUS FOR FORMING A PLEXIFILAMENTARY STRAND COMPRISING A SPINNERET ASSEMBLY AND A BAFFLE MOUNTED FOR OSICILLATORY MOVEMENT, SAID SPINNERET ASSEMBLY COMPRISING STRUCTURE DEFINING A SPINNING ORIFICE, SAID BAFFLE COMPRISING STRUCTURE DEFINING A SMOOTH ARCUATE SURFACE POSITIONED TO INTERCEPT A STRAND IMMEDIATELY AS IT EXITS FROM SAID SPINNING ORIFICE, SAID BAFFLE FURTHER INCLUDING STRUCTURE DEFINING AN INTERIOR PASSAGEWAY DISPOSED IN HEAT EXCHANGE RELATIONSHIP WITH SAID ARCUATE SURFACE AND ADAPTED TO RECEIVE A HEAR EXCHANGE FLUID.
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) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |