Patent US3247546A successfully refreshed from Google Patents.
US3247546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spinnerette
Assignee: EIDP Inc
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Filing: 1963-09-17
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Granted: 1966-04-26
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Expires: 1983-09-17
Abstract
No abstract record available.
Inventors
- 👤 Jr James De Jarnette Burke
- 👤 Hawkins Curtis Owen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:13
CPC Classifications
D; D01; D01D; D01D4/00; D01D4/02; D01D4/022; B; B21; B21D; B21D31/00; B21D31/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
AN IMPROVED UNITARY INTEGRAL SPINNERETTE PLATE MEMBER OF METALLIC COMPOSITION, SAID MEMBER COMPRISING ONE SIDE PROVIDED WITH A SPINNING FACE, AND AN OTHER SIDE, SAID MEMBER FURTHER COMPRISING AT LEAST ONE PASSAGEWAY EXTENDING THERETHROUGH INTERSECTING SAID SPINNING FACE TO FORM A SPINNERETTE ORIFICE, SAID PASSAGEWAY HAVING ADJACENT SAID ORIFICE AN ELONGATED CAPILLARY PORTION OF SUBSTANTIALLY CONSTANT TRANSVERSE CROSS SECTION, THE INTERIOR SURFACES OF WHICH CAPILLARY PORTION ARE SUBSTANTIALLY CYCLINDRICAL IN CONFIGURATION, THE STRUCTURE OF SAID MEMBER DEFINING SAID PORTION OF SAID PASSAGEWAY AND SAID ORIFICE HAVING A GRAIN SUBSTANTIALLY REDUCED IN SIZE AND A COLD WORK HARDENED INTERNAL STRUCTURE MODIFIED, RELATIVE TO THE REMAINDER OF SAID MEMBER COMPOSITION, TO GIVE A SIGNIFICANTLY IMPROVED RIGIDITY, HARDNESS, STRENGTH AND RESISTANCE TO EROSION RELATIVE TO THE REMAINDER OF SAID MEMBER COMPOSITION.
Claim 2
Dependent Claim
128 words
AN IMPROVED UNITARY INTEGRAL SPINNERETTE PLATE MEMBER OF METALLIC COMPOSITION, SAID MEMBER COMPRISING ONE SIDE PROVIDED WITH A SPINNING FACE, AND AN OTHER SIDE, SAID MEMBER FURTHER COMPRISING AT LEAST ONE PASSAGEWAY EXTENDING THERETHROUGH INTERSECTING SAID SPINNING FACE TO FORM A SPINNERETTE ORIFICE, SAID PASSAGEWAY HAVING ADJACENT SAID ORIFICE AN ELONGATED CAPILLARY PORTION OF SUBSTANTIALLY CONSTANT TRANSVERSE CROSS SECTION, THE INTERIOR SURFACES OF WHICH CAPILLARY PORTION ARE SUBSTANTIALLY CYCLINDRICAL IN CONFIGURATION, THE STRUCTURE OF SAID MEMBER DEFINING SAID PORTION OF SAID PASSAGEWAY AND SAID ORIFICE HAVING A GRAIN SUBSTANTIALLY REDUCED IN SIZE AND A COLD WORK HARDENED INTERNAL STRUCTURE MODIFIED, RELATIVE TO THE REMAINDER OF SAID MEMBER COMPOSITION, TO GIVE A SIGNIFICANTLY IMPROVED RIGIDITY, HARDNESS, STRENGTH AND RESISTANCE TO EROSION RELATIVE TO THE REMAINDER OF SAID MEMBER COMPOSITION.
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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |