US3467728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Isomerization process
Assignee: Universal Oil Products Co
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Filing: 1966-10-31
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Granted: 1969-09-16
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Expires: 1986-10-31
Abstract
No abstract record available.
Inventors
- 👤 George L Hervert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:09
CPC Classifications
B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/08; B01J29/18; C; C07; C07C; C07C5/00; C07C5/22; C07C5/2206; C07C5/222; C07C5/23; C07C5/25; C07C5/2506; C07C5/2518; B01J2229/00; B01J2229/30; B01J2229/42; C07C2521/00; C07C2521/02; C07C2521/04; C07C2521/06; C07C2521/08; C07C2521/12; C07C2529/00; C07C2529/04; C07C2529/06; C07C2529/08; C07C2529/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |