US2368435A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antioxidant
Assignee: CLAUDE R WICKARD
•
Filing: 1943-01-13
•
Granted: 1945-01-30
•
Expires: 1963-01-13
Abstract
No abstract record available.
Inventors
- 👤 Percy A Wells
- 👤 Roy W Riemenschneider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:46
CPC Classifications
C; C11; C11B; C11B5/00; C11B5/0021; C11B5/0028
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) | 1948-01-30 | 1948-07-31 | 1949-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-01-30 | 1952-07-31 | 1953-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-01-30 | 1956-07-31 | 1957-01-30 | $7700.00 | Window Closed / Lapsed |