US3634236A
Expired / Lapsed
US
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Spandex lubricant composition
Assignee: Union Carbide Corp
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Filing: 1968-03-20
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Granted: 1972-01-11
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Expires: 1988-03-20
Abstract
Abstract A LUBRICATING FINISH FOR SPANDEX FIBERS AND THE LIKE COMPRISING A SOLUTION OF LIQUID SIOLOXANE AND A SURFACTANT IN MINERAL OIL.
Inventors
- 👤 James R Buster
- 👤 Charles H Apperson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:52
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/643; D06M15/647; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2962; Y10T428/2964; Y10T428/31504; Y10T428/31652; Y10T428/31667
Claims Analysis
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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) | 1975-01-10 | 1975-07-12 | 1976-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-10 | 1979-07-12 | 1980-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-10 | 1983-07-12 | 1984-01-11 | $7700.00 | Window Closed / Lapsed |