US2303330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Zinc oxide
Assignee: New Jersey Zinc Co
•
Filing: 1942-02-02
•
Granted: 1942-12-01
•
Expires: 1962-02-02
Abstract
No abstract record available.
Inventors
- 👤 Bruce R Silver
- 👤 Ernest R Bridgwater
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:27
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/04; C09C1/043; C08; C08K; C08K9/00; C08K9/04; C01; C01P; C01P2004/00; C01P2004/80
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) | 1945-11-30 | 1946-06-01 | 1946-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-11-30 | 1950-06-01 | 1950-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-11-30 | 1954-06-01 | 1954-12-01 | $7700.00 | Window Closed / Lapsed |