Patent US2060871A successfully refreshed from Google Patents.
US2060871A
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US
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Manufacture of hydrocarbons
Assignee: Universal Oil Products Co
•
Filing: 1933-06-22
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Granted: 1936-11-17
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Expires: 1953-06-22
Abstract
No abstract record available.
Inventors
- 👤 Ipatieff Vladimir
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:03
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/02; C07C2/04; C07C2/06; C07C2/08; C07C2/14; C07C2/18; C07C2/20; C07C2/22; C07C2527/00; C07C2527/02; C07C2527/053; C07C2527/06; C07C2527/08; C07C2527/10; C07C2527/14; C07C2527/16; C07C2527/167; C07C2527/173
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) | 1939-11-17 | 1940-05-18 | 1940-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-11-17 | 1944-05-18 | 1944-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-11-17 | 1948-05-18 | 1948-11-17 | $7700.00 | Window Closed / Lapsed |