Patent US3060019A successfully refreshed from Google Patents.
Patent US3532731A successfully refreshed from Google Patents.
Patent US1666264A successfully refreshed from Google Patents.
Patent US2026862A successfully refreshed from Google Patents.
US2026862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of titanium pigments
Assignee: Krebs Pigment & Color Corp
•
Filing: 1930-05-15
•
Granted: 1936-01-07
•
Expires: 1950-05-15
Abstract
No abstract record available.
Inventors
- 👤 Blumenfeld Joseph
- 👤 Mayer Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:30
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/36; C09C1/3692; C09C3/00; C09C3/04; C09C3/043; C09C3/06; C09C3/063; C01; C01P; C01P2004/00; C01P2004/80; C01P2004/82; C01P2004/84; C01P2006/00; C01P2006/60
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) | 1939-01-06 | 1939-07-08 | 1940-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-01-06 | 1943-07-08 | 1944-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-01-06 | 1947-07-08 | 1948-01-07 | $7700.00 | Window Closed / Lapsed |