Patent US2103497A successfully refreshed from Google Patents.
US2103497A
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US
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Artificial textile material and method of preparing the same
Assignee: Celanese Corp
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Filing: 1936-06-10
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Granted: 1937-12-28
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Expires: 1956-06-10
Abstract
No abstract record available.
Inventors
- 👤 Schneider George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:59
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/10; D06M13/224; D01; D01F; D01F2/00; D01F2/24; D01F2/28; D06M13/152; C; C10; C10M; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/023; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/284; C10M2207/285; C10M2207/40; C10M2207/402; C10M2207/404; C10M2219/00; C10M2219/04; C10M2219/044; C10N; C10N2040/00; C10N2040/46
Claims Analysis
Total Claims: 0
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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) | 1940-12-27 | 1941-06-28 | 1941-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-12-27 | 1945-06-28 | 1945-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-12-27 | 1949-06-28 | 1949-12-28 | $7700.00 | Window Closed / Lapsed |