US3262153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing composite filaments
Assignee: EIDP Inc
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Filing: 1964-07-13
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Granted: 1966-07-26
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Expires: 1984-07-13
Abstract
No abstract record available.
Inventors
- 👤 Mercer Robert Bolton
- 👤 Sharps David Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:37
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/28; D01D5/30; D01D5/32; Y; Y10; Y10S; Y10S264/00; Y10S264/26; Y10S425/00; Y10S425/217
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
A SPINNERET ASSEMBLY COMPRISING A SUPERIMPOSED FILTER BLOCK AND SPINNERET PLATE, SAID FILTER BLOCK HAVING TWO SEPARATE FILTER CAVITIES IN THE UPPER FACE AND TWO SYMMETRICAL DISTRIBUTION CHANNELS IN THE LOWER FACE, SAID DISTRIBUTION CHANNELS HAVING PORTIONS THEREOF BELOW SAID FILTER CAVITIES, SAID FILTER BLOCK HAVING A SERIES OF VERTICAL AND ANGLED HOLES CONNECTING THE BOTTOM OF EACH OF SAID FILTER CAVITIES TO THE RESPECTIVE PORTIONS OF SAID DISTRIBUTION CHANNELS BELOW SAID FILTER CAVITIES, SAID DISTRIBUTION CHANNELS EACH DEFINING A PATH EXTENDING IN BOTH DIRECTIONS FROM THE PORTIONS BELOW SAID FILTER CAVITIES TOWARD THE PERIPHERY OF SAID FILTER BLOCK AND THEN CIRCULING TOWARD THE INTERIOR OF SAID FILTER BLOCK, EACH OF SAID DISTRIBUTION CHANNELS TERMINATING IN OPPOSED STRAIGHT END PORTIONS, THE DEPTH OF THE STRAIGHT END PORTIONS OF SAID DISTRIBUTION CHANNELS BEING TAPERED AT A MINIMUM AT THE EXTREME ENDS, AND SAID SPINNERET PLATE HAVING ORIFICES THEREIN WHICH ARE ALIGNED WITH RESPECT TO THE STRAIGHT END PORTIONS OF SAID DISTRIBUTION CHANNELS.
Claim 2
Dependent Claim
161 words
A SPINNERET ASSEMBLY COMPRISING A SUPERIMPOSED FILTER BLOCK AND SPINNERET PLATE, SAID FILTER BLOCK HAVING TWO SEPARATE FILTER CAVITIES IN THE UPPER FACE AND TWO SYMMETRICAL DISTRIBUTION CHANNELS IN THE LOWER FACE, SAID DISTRIBUTION CHANNELS HAVING PORTIONS THEREOF BELOW SAID FILTER CAVITIES, SAID FILTER BLOCK HAVING A SERIES OF VERTICAL AND ANGLED HOLES CONNECTING THE BOTTOM OF EACH OF SAID FILTER CAVITIES TO THE RESPECTIVE PORTIONS OF SAID DISTRIBUTION CHANNELS BELOW SAID FILTER CAVITIES, SAID DISTRIBUTION CHANNELS EACH DEFINING A PATH EXTENDING IN BOTH DIRECTIONS FROM THE PORTIONS BELOW SAID FILTER CAVITIES TOWARD THE PERIPHERY OF SAID FILTER BLOCK AND THEN CIRCULING TOWARD THE INTERIOR OF SAID FILTER BLOCK, EACH OF SAID DISTRIBUTION CHANNELS TERMINATING IN OPPOSED STRAIGHT END PORTIONS, THE DEPTH OF THE STRAIGHT END PORTIONS OF SAID DISTRIBUTION CHANNELS BEING TAPERED AT A MINIMUM AT THE EXTREME ENDS, AND SAID SPINNERET PLATE HAVING ORIFICES THEREIN WHICH ARE ALIGNED WITH RESPECT TO THE STRAIGHT END PORTIONS OF SAID DISTRIBUTION CHANNELS.
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) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |