US2067202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile operation
Assignee: Celanese Corp
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Filing: 1932-08-04
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Granted: 1937-01-12
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Expires: 1952-08-04
Abstract
No abstract record available.
Inventors
- 👤 Pool William
- 👤 Greenwood Ernest Leslie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:12
CPC Classifications
D; D01; D01F; D01F2/00; D01F2/24; D01F2/28; D06; D06M; D06M11/00; D06M11/07; D06M11/11; D06M11/13; D06M11/155; D06M11/28; D06M11/58; D06M11/64; D06M11/65; D06M11/68; D06M11/70; D06M11/71; D06M13/00; D06M13/10; D06M13/144; D06M13/148; D06M13/322; D06M13/325; D06M13/335; D06M13/368; D06M7/00; C; C10; C10M; C10M2201/00; C10M2201/02; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/04; C10M2207/046; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/40; C10M2207/402; C10M2207/404; C10N; C10N2040/00; C10N2040/46; D06M2200/00; D06M2200/40; Y; Y10; Y10S; Y10S57/00; Y10S57/901; Y10T; Y10T428/00; Y10T428/29; Y10T428/2904
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) | 1940-01-12 | 1940-07-13 | 1941-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-01-12 | 1944-07-13 | 1945-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-01-12 | 1948-07-13 | 1949-01-12 | $7700.00 | Window Closed / Lapsed |