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US3445379A
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Method for converting hydrocarbons
Assignee: Universal Oil Products Co
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Filing: 1967-04-13
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Granted: 1969-05-20
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Expires: 1987-04-13
Abstract
No abstract record available.
Inventors
- 👤 Andrew C Hansen Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:24
CPC Classifications
C; C10; C10G; C10G49/00; C10G49/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2918425A
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US2983669A
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US3089843A
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US3101380A
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US3204007A
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US3362903A
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US3291849A
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US3322842A
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US3349145A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |