US2393321A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cured polymers
Assignee: Jasco Inc
•
Filing: 1942-01-14
•
Granted: 1946-01-22
•
Expires: 1962-01-14
Abstract
No abstract record available.
Inventors
- 👤 Joseph P Haworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:03
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/29; C08F; C08F36/00; C08F36/02; C08F36/04; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C08K5/04; C08K5/07; C08K5/08; C08K5/32; C08K5/33
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) | 1949-01-21 | 1949-07-23 | 1950-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-01-21 | 1953-07-23 | 1954-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-01-21 | 1957-07-23 | 1958-01-22 | $7700.00 | Window Closed / Lapsed |