US3225383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spinneret distribution plate
Assignee: EIDP Inc
•
Filing: 1963-07-24
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Granted: 1965-12-28
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Expires: 1983-07-24
Abstract
No abstract record available.
Inventors
- 👤 Jr James Stanley Cobb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:58
CPC Classifications
D; D01; D01D; D01D4/00; D01D4/06; Y; Y10; Y10S; Y10S425/00; Y10S425/217
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A SPINNERET ASSEMBLY COMPRISING SANDWICHED FILTER BLOCK, DISTRIBUTION PLATE AND SPINNERET PLATE ELEMENTS, SAID FILTER BLOCK AND SPINNERET PLATE ELEMENTS HAVING SPACED FLOW HOLES, SAID DISTRIBUTION PLATE BEING PROVIDED WITH A PAIR OF OPPOSED SLOTS ADJACENT ITS PERIPHERY, CHANNELS IN THE UPPER FACE AND A PAIR OF TAPERED CAVITIES IN THE LOWER FACE THEREOF, EACH CAVITY TAPERING DOWNWARDLY FROM A MAXIMUM DEPTH AT ITS SLOT, SAID CHANNELS, SLOTS AND CAVI-
Claim 2
Dependent Claim
70 words
A SPINNERET ASSEMBLY COMPRISING SANDWICHED FILTER BLOCK, DISTRIBUTION PLATE AND SPINNERET PLATE ELEMENTS, SAID FILTER BLOCK AND SPINNERET PLATE ELEMENTS HAVING SPACED FLOW HOLES, SAID DISTRIBUTION PLATE BEING PROVIDED WITH A PAIR OF OPPOSED SLOTS ADJACENT ITS PERIPHERY, CHANNELS IN THE UPPER FACE AND A PAIR OF TAPERED CAVITIES IN THE LOWER FACE THEREOF, EACH CAVITY TAPERING DOWNWARDLY FROM A MAXIMUM DEPTH AT ITS SLOT, SAID CHANNELS, SLOTS AND CAVI-
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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |