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US2377423A
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Antioxidants
Assignee: Uniroyal Inc
•
Filing: 1941-06-04
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Granted: 1945-06-05
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Expires: 1961-06-04
Abstract
No abstract record available.
Inventors
- 👤 Louis H Howland
- 👤 Philip T Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:57
CPC Classifications
C; C11; C11B; C11B5/00; C11B5/0042; C11B5/005; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3412; C08K5/3415; C08K5/3417; C08K5/3432; C08K5/3437; C09; C09K; C09K15/00; C09K15/04; C09K15/16; C09K15/18; C10; C10M; C10M1/00; C10M1/08; C10M2215/00; C10M2215/22; C10M2215/221; C10M2215/223; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/30; C10M2219/00; C10M2219/08; C10M2219/082
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) | 1948-06-04 | 1948-12-04 | 1949-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-06-04 | 1952-12-04 | 1953-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-06-04 | 1956-12-04 | 1957-06-05 | $7700.00 | Window Closed / Lapsed |