US3436358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reforming with a nickel and nickel oxide catalyst on a magnesium-aluminate-spinel containing support
Assignee: Individual
•
Filing: 1963-12-16
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Granted: 1969-04-01
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Expires: 1983-12-16
Abstract
No abstract record available.
Inventors
- 👤 Poul Thygesen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:31
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/74; B01J23/755; B01J23/005; C; C01; C01B; C01B3/00; C01B3/02; C01B3/32; C01B3/34; C01B3/38; C01B3/40; C10; C10G; C10G11/00; C10G11/02; B01J37/00; B01J37/02; B01J37/0201; C01B2203/00; C01B2203/10; C01B2203/1041; C01B2203/1047; C01B2203/1052; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52; Y10; Y10S; Y10S502/00; Y10S502/524
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2474440A
Cited
US2992191A
Cited
US3216954A
Cited
US3186957A
Cited
US3216952A
Cited
US3271325A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-31 | 1972-09-30 | 1973-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-31 | 1976-09-30 | 1977-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-31 | 1980-09-30 | 1981-04-01 | $7700.00 | Window Closed / Lapsed |