Patent US2048593A successfully refreshed from Google Patents.
US2048593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of pigments
Assignee: Individual
•
Filing: 1932-06-27
•
Granted: 1936-07-21
•
Expires: 1952-06-27
Abstract
No abstract record available.
Inventors
- 👤 Booth Harold Simmons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:06
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/02; C09C1/0081; C01; C01P; C01P2004/00; C01P2004/80
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) | 1939-07-21 | 1940-01-20 | 1940-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-07-21 | 1944-01-20 | 1944-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-07-21 | 1948-01-20 | 1948-07-21 | $7700.00 | Window Closed / Lapsed |