US2296066A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pigment materials and process of making the same
Assignee: EIDP Inc
•
Filing: 1940-09-05
•
Granted: 1942-09-15
•
Expires: 1960-09-05
Abstract
No abstract record available.
Inventors
- 👤 Clifford K Sloan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:02
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/04; C09C1/06; C09C1/36; C09C1/3692; C09C3/00; C09C3/006; C09C3/04; C09C3/041; C09C3/06; C09C3/063; C09C3/08; C01; C01P; C01P2004/00; C01P2004/50; C01P2004/60; C01P2004/61
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) | 1945-09-14 | 1946-03-16 | 1946-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-09-14 | 1950-03-16 | 1950-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-09-14 | 1954-03-16 | 1954-09-15 | $7700.00 | Window Closed / Lapsed |