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US3428704A
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Isomerization process
Assignee: Universal Oil Products Co
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Filing: 1967-06-30
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Granted: 1969-02-18
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Expires: 1987-06-30
Abstract
No abstract record available.
Inventors
- 👤 Norman A Fishel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:29
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/22; C07C5/23; C07C5/25; C07C5/2506; C07C5/2556; B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/064; C07C5/2206; C07C5/226; C07C2529/00; C07C2529/04; C07C2529/06; C07C2529/08; C07C2529/10; C07C2529/12; C07C2529/14; C07C2529/18; C07C2529/20; C07C2529/22; C07C2529/24; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3370099A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |