US3523914A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon conversion process and catalyst therefor
Assignee: Universal Oil Products Co
•
Filing: 1968-04-24
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Granted: 1970-08-11
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Expires: 1988-04-24
Abstract
No abstract record available.
Inventors
- 👤 Roy T Mitsche
- 👤 Ernest L Pollitzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:41
CPC Classifications
C; C10; C10G; C10G47/00; C10G47/02; C10G47/10; C10G47/12; C10G47/16; C10G47/18; B; B01; B01J; B01J23/00; B01J23/38; B01J23/54; B01J23/56; B01J23/64; B01J23/656; B01J23/6567; B01J29/00; B01J29/04; B01J29/06; B01J29/18; B01J29/26; C07; C07C; C07C5/00; C07C5/22; C07C5/27; C07C5/2702; C07C5/2708; C07C5/271; C07C5/2713; C07C5/2718; C07C5/2721; C07C5/2724; C10G35/00; C10G35/04; C10G35/06; C10G35/095
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3438888A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-10 | 1974-02-09 | 1974-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-10 | 1978-02-09 | 1978-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-10 | 1982-02-09 | 1982-08-11 | $7700.00 | Window Closed / Lapsed |