US3541179A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for manufacturing olefins by catalytic partial oxidation of hydrocarbons
Assignee: JGC Corp
•
Filing: 1967-11-01
•
Granted: 1970-11-17
•
Expires: 1987-11-01
Abstract
No abstract record available.
Inventors
- 👤 Akio Okagami
- 👤 Seiichi Matsuoka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:59
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/24; C; C07; C07C; C07C5/00; C07C5/42; C07C5/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3342890A
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US3308191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-16 | 1974-05-18 | 1974-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-16 | 1978-05-18 | 1978-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-16 | 1982-05-18 | 1982-11-17 | $7700.00 | Window Closed / Lapsed |