Patent US3536803A successfully refreshed from Google Patents.
US3536803A
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US
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Process for treating elastomeric fibers
Assignee: Celanese Corp
•
Filing: 1964-05-26
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Granted: 1970-10-27
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Expires: 1984-05-26
Abstract
No abstract record available.
Inventors
- 👤 Martin Eden Epstein
- 👤 Arnold Joseph Rosenthal
- 👤 Joseph Germano Santangelo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:41
CPC Classifications
D; D01; D01F; D01F6/00; D01F6/58; D01F6/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3047909A
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US2962470A
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GB916287A
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US3117906A
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US3377308A
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US3339000A
Cited
US3365874A
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US3387448A
Cited
US3402236A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |