US3302238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spinnerette
Assignee: EIDP Inc
•
Filing: 1965-02-10
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Granted: 1967-02-07
•
Expires: 1985-02-10
Abstract
No abstract record available.
Inventors
- 👤 Medeiros Francis Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:35
CPC Classifications
D; D01; D01D; D01D4/00; D01D4/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A SPINNERET PLATE HAVING SPINNING APERTURES ARRANGED IN A PLURALITY OF SUBSTANTIALLY ELLIPTICAL PATTERNS WITH A COMMON MAJOR AXIS, THE DISTANCE BETWEEN ADJACENT APERTURES ON EACH ELLIPTICAL PATTERN AS MEASURED BY THE DISTANCE BETWEEN PROJECTIONS OF THE APERTURES ONTO THE MAJOR AXIS BEING SUBSTANTIALLY EQUAL AND THE DISTANCE BETWEEN ADJACENT PROJECTIONS OF THE APERTURES OF ALL THE ELLIPTICAL PATTERNS ONTO THE MAJOR AXIS BEING SUBSTANTIALLY EQUAL.
Claim 2
Dependent Claim
66 words
A SPINNERET PLATE HAVING SPINNING APERTURES ARRANGED IN A PLURALITY OF SUBSTANTIALLY ELLIPTICAL PATTERNS WITH A COMMON MAJOR AXIS, THE DISTANCE BETWEEN ADJACENT APERTURES ON EACH ELLIPTICAL PATTERN AS MEASURED BY THE DISTANCE BETWEEN PROJECTIONS OF THE APERTURES ONTO THE MAJOR AXIS BEING SUBSTANTIALLY EQUAL AND THE DISTANCE BETWEEN ADJACENT PROJECTIONS OF THE APERTURES OF ALL THE ELLIPTICAL PATTERNS ONTO THE MAJOR AXIS BEING SUBSTANTIALLY EQUAL.
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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |