US2207822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and process for making decorative films
Assignee: Celanese Corp
•
Filing: 1937-06-04
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Granted: 1940-07-16
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Expires: 1957-06-04
Abstract
No abstract record available.
Inventors
- 👤 Rooney James Henry
- 👤 Hawtin Philip Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:21
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/88; B29C48/911; B29C48/9135; B29C48/03; B29C48/07; B29C48/08; B29C48/91; Y; Y10; Y10S; Y10S264/00; Y10S264/13; Y10S264/61; Y10S521/00; Y10S521/908
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) | 1943-07-16 | 1944-01-15 | 1944-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-07-16 | 1948-01-15 | 1948-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-07-16 | 1952-01-15 | 1952-07-16 | $7700.00 | Window Closed / Lapsed |