Patent US3535249A successfully refreshed from Google Patents.
US3535249A
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US
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Antioxidant compositions,their use in polymers and products made therefrom
Assignee: Goodyear Tire and Rubber Co
•
Filing: 1967-07-31
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Granted: 1970-10-20
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Expires: 1987-07-31
Abstract
No abstract record available.
Inventors
- 👤 Harry L Larson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:11
CPC Classifications
C; C08; C08K; C08K5/00; C08K3/00; C08K3/01; C08K3/014; C08K5/0008; C08K5/005; Y; Y10; Y10S; Y10S524/00; Y10S524/925; Y10S524/926
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-19 | 1974-04-20 | 1974-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-19 | 1978-04-20 | 1978-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-19 | 1982-04-20 | 1982-10-20 | $7700.00 | Window Closed / Lapsed |