US3535401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Olefin conversion process
Assignee: Goodyear Tire and Rubber Co
•
Filing: 1967-01-18
•
Granted: 1970-10-20
•
Expires: 1987-01-18
Abstract
No abstract record available.
Inventors
- 👤 Nissim Calderon
- 👤 Hung Yu Chen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:29
CPC Classifications
C; C07; C07C; C07C6/00; C07C6/02; C07C6/04; C07C2531/00; C07C2531/02; C07C2531/12; C07C2531/14; C07C2531/26; C07C2531/34; Y; Y10; Y10S; Y10S585/00; Y10S585/929; Y10S585/941
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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 |