US2226147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pigment substance and process for producing the same
Assignee: EIDP Inc
•
Filing: 1940-01-23
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Granted: 1940-12-24
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Expires: 1960-01-23
Abstract
No abstract record available.
Inventors
- 👤 Sutton Joseph Bartlett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:42
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/0081; C09C1/0084; C09B; C09B67/00; C09B67/006; C09B67/0065; C09C1/36; C09C1/3607; C09C1/3669; C09C3/00; C09C3/006; C09C3/04; C09C3/041; C09C3/08; C01; C01P; C01P2006/00; C01P2006/60
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) | 1943-12-24 | 1944-06-24 | 1944-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-12-24 | 1948-06-24 | 1948-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-12-24 | 1952-06-24 | 1952-12-24 | $7700.00 | Window Closed / Lapsed |