Patent US3585685A successfully refreshed from Google Patents.
US3585685A
Expired / Lapsed
US
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Spinneret assembly for making composite filaments
Assignee: FMC Corp
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Filing: 1969-07-01
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Granted: 1971-06-22
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Expires: 1989-07-01
Abstract
Abstract A SPINNERET ASSEMBLY FOR PRODUCING COMPOSITE FILAMENTS HAVING SHARPLY DEFINED COMPONENTS OR SEGMENTS EXTENDING LONGITUDINALLY THEREOF IN SIDE-BY-SIDE RELATIONSHIP.
Inventors
- 👤 Henry J Mcdermott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:20
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/28; D01D5/30; D01D5/32; Y; Y10; Y10S; Y10S425/00; Y10S425/217
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-21 | 1974-12-21 | 1975-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-21 | 1978-12-21 | 1979-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-21 | 1982-12-21 | 1983-06-22 | $7700.00 | Window Closed / Lapsed |