US3470090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for operating a non-regenerative fixed bed reforming process
Assignee: Universal Oil Products Co
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Filing: 1967-09-25
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Granted: 1969-09-30
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Expires: 1987-09-25
Abstract
No abstract record available.
Inventors
- 👤 Don B Carson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:46
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/085; B; B01; B01J; B01J23/00; B01J23/90; B01J23/96; B01J8/00; B01J8/0015; B01J8/0035
Claims Analysis
Total Claims: 0
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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) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |