US3533766A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for reforming hydrocarbons under high pressure
Assignee: Azote et Produits Chimiques SA
•
Filing: 1967-05-03
•
Granted: 1970-10-13
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Expires: 1987-05-03
Abstract
No abstract record available.
Inventors
- 👤 Jean P Gignier
- 👤 Pierre L Honore
- 👤 Jacques Quibel
- 👤 Michel Senes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:12
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/02; C01B3/32; C01B3/34; C01B3/38; C01B3/384; C01B2203/00; C01B2203/10; C01B2203/1041; C01B2203/1047; C01B2203/1052
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2028326A
Cited
GB772787A
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US3119667A
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US3186797A
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US3278268A
Cited
US3132010A
Cited
US3285713A
Cited
US3201214A
Cited
US3394086A
Cited
US3385670A
Cited
US3420643A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |