Patent US3548047A successfully refreshed from Google Patents.
US3548047A
Expired / Lapsed
US
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Lubrication of spandex yarns
Assignee: Union Carbide Corp
•
Filing: 1967-02-23
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Granted: 1970-12-15
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Expires: 1987-02-23
Abstract
No abstract record available.
Inventors
- 👤 Allen P Jones Jr
- 👤 George M Bryant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:37
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/643; D06M15/647; D01; D01F; D01F6/00; D01F6/58; D01F6/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2079133A
Cited
US3161706A
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US3377308A
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US3336428A
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US3339000A
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US3296063A
Cited
US3383366A
Cited
US3388200A
Cited
US3419653A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-14 | 1974-06-15 | 1974-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-14 | 1978-06-15 | 1978-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-14 | 1982-06-15 | 1982-12-15 | $7700.00 | Window Closed / Lapsed |