US2984646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilizing diene rubbers with n-alphaphenyl n'-phenyl phenylene diamine
Assignee: Goodyear Tire and Rubber Co
•
Filing: 1958-04-01
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Granted: 1961-05-16
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Expires: 1978-04-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Farris H Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:27
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/17; C08K5/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2067686A
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US2494059A
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US2835705A
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US2822395A
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US2838471A
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US2810709A
Cited
FR1140433A
Cited
US2813124A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |