US2323749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-repellent ultramarine
Assignee: Wyeth Holdings LLC
•
Filing: 1942-06-16
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Granted: 1943-07-06
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Expires: 1962-06-16
Abstract
No abstract record available.
Inventors
- 👤 Dieterle Henry Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:17
CPC Classifications
C; C10; C10L; C10L9/00; C10L9/10; C09; C09C; C09C1/00; C09C1/28; C09C1/32; C01; C01P; C01P2004/00; C01P2004/80; C01P2006/00; C01P2006/90
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) | 1946-07-05 | 1947-01-04 | 1947-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-07-05 | 1951-01-04 | 1951-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-07-05 | 1955-01-04 | 1955-07-06 | $7700.00 | Window Closed / Lapsed |