US2325700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite material
Assignee: Celanese Corp
•
Filing: 1939-04-25
•
Granted: 1943-08-03
•
Expires: 1959-04-25
Abstract
No abstract record available.
Inventors
- 👤 Moss William Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:08
CPC Classifications
B; B32; B32B; B32B27/00; B27; B27D; B27D1/00; B27D1/04; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/2495; Y10T428/26; Y10T428/31504; Y10T428/31855; Y10T428/31859; Y10T428/31877; Y10T428/3188; Y10T428/31895
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1946-08-02 | 1947-02-01 | 1947-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-08-02 | 1951-02-01 | 1951-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-08-02 | 1955-02-01 | 1955-08-03 | $7700.00 | Window Closed / Lapsed |