US3392124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Physically stable alumino-silicate zeolite catalysts
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1964-12-21
•
Granted: 1968-07-09
•
Expires: 1984-12-21
Abstract
No abstract record available.
Inventors
- 👤 Laurent Sebastian Marc
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:09
CPC Classifications
C; C01; C01B; C01B33/00; C01B33/20; C01B33/36; C01B33/46; B; B01; B01J; B01J20/00; B01J20/02; B01J20/10; B01J20/16; B01J20/18; B01J20/186; B01J29/00; B01J29/04; B01J29/06; B01J29/061; B01J29/08; B01J29/10; B01J29/12; B01J29/70; C01B33/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |