US2025568A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Article and material containing organic derivatives of cellulose
Assignee: Celluloid Corp
•
Filing: 1935-05-02
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Granted: 1935-12-24
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Expires: 1955-05-02
Abstract
No abstract record available.
Inventors
- 👤 Joseph H Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:10
CPC Classifications
B; B44; B44C; B44C1/00; B44C1/24; Y; Y10; Y10S; Y10S160/00; Y10S160/07; Y10T; Y10T428/00; Y10T428/24; Y10T428/24628; Y10T428/24669; Y10T428/24686; Y10T428/31504; Y10T428/31678; Y10T428/31971
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) | 1938-12-23 | 1939-06-24 | 1939-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-12-23 | 1943-06-24 | 1943-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-12-23 | 1947-06-24 | 1947-12-24 | $7700.00 | Window Closed / Lapsed |