US2236766A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of coating
Assignee: Celanese Corp
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Filing: 1937-12-30
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Granted: 1941-04-01
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Expires: 1957-12-30
Abstract
No abstract record available.
Inventors
- 👤 Schneider George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:03
CPC Classifications
C; C09; C09D; C09D101/00; C09D101/08; C09D101/10; C09D101/12; D; D06; D06N; D06N3/00; D06N3/12; B; B05; B05D; B05D1/00; B05D1/28; B05D2252/00; B05D2252/02; B05D3/00; B05D3/02; B05D3/0218; D06N2211/00; D06N2211/12; D06N2211/28
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) | 1944-03-31 | 1944-09-30 | 1945-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-03-31 | 1948-09-30 | 1949-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-03-31 | 1952-09-30 | 1953-04-01 | $7700.00 | Window Closed / Lapsed |