US3462377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalyst prepared by steaming partially base-exchanged zeolite x in a matrix
Assignee: Mobil Oil AS
•
Filing: 1967-05-08
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Granted: 1969-08-19
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Expires: 1987-05-08
Abstract
No abstract record available.
Inventors
- 👤 Charles J Plank
- 👤 Edward J Rosinski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:31
CPC Classifications
B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/08; B01J29/082
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2375756A
Cited
US3257310A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-18 | 1973-02-17 | 1973-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-18 | 1977-02-17 | 1977-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-18 | 1981-02-17 | 1981-08-19 | $7700.00 | Window Closed / Lapsed |