US2045348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of films, foils, and the like containing cellulose derivatives
Assignee: Henry Dreyfuss Associates LLC
•
Filing: 1933-08-25
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Granted: 1936-06-23
•
Expires: 1953-08-25
Abstract
No abstract record available.
Inventors
- 👤 Dreyfus Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:46
CPC Classifications
C; C08; C08L; C08L1/00; C08L1/08; C08L1/10; C08L1/12; B; B29; B29C; B29C41/00; B29C41/24; B29C41/26; C08J; C08J5/00; C08J5/18; B29K; B29K2201/00; B29K2201/08; C08J2301/00; C08J2301/08; C08J2301/10; C08J2301/12; C08J2301/14; C08J2301/16; C08J2301/18; C08J2301/20; C08J2301/26; C08J2301/28; C08J2301/30
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) | 1939-06-23 | 1939-12-23 | 1940-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-06-23 | 1943-12-23 | 1944-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-06-23 | 1947-12-23 | 1948-06-23 | $7700.00 | Window Closed / Lapsed |