US2144356A
Expired / Lapsed
US
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Method for producing a cellulosic structure
Assignee: EIDP Inc
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Filing: 1935-12-06
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Granted: 1939-01-17
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Expires: 1955-12-06
Abstract
No abstract record available.
Inventors
- 👤 Francis P Alles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:30
CPC Classifications
C; C08; C08L; C08L1/00; C08L1/08; C08L1/22; C08L1/24; B; B29; B29C; B29C55/00; B29C55/02; B29C55/04; B29C55/08; C08J; C08J5/00; C08J5/18; B29K; B29K2201/00; B29K2201/08; C08J2301/00; C08J2301/08; C08J2301/22; C08J2301/24; Y; Y10; Y10S; Y10S264/00; Y10S264/73
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) | 1942-01-16 | 1942-07-18 | 1943-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-01-16 | 1946-07-18 | 1947-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-01-16 | 1950-07-18 | 1951-01-17 | $7700.00 | Window Closed / Lapsed |