US2794050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dithia-dioxo-hydrocarbons
Assignee: Universal Oil Products Co
•
Filing: 1953-11-17
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Granted: 1957-05-28
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Expires: 1973-11-17
Abstract
No abstract record available.
Inventors
- 👤 Ralph B Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:59
CPC Classifications
C; C11; C11B; C11B5/00; C11B5/0071; C07; C07C; C07C323/00; C07C323/22; C08; C08K; C08K5/00; C08K5/36; C08K5/37; C08K5/372; C09; C09K; C09K15/00; C09K15/04; C09K15/12; C10; C10M; C10M1/00; C10M1/08; C07C2601/00; C07C2601/12; C07C2601/14; C10M2219/00; C10M2219/08; C10M2219/082; C10N; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
A DITHIA-DIOXO-HYDROCARBON HAVING THE FOLLOWING GENERAL FORMULA:
Claim 2
Dependent Claim
7 words
A DITHIA-DIOXO-HYDROCARBON HAVING THE FOLLOWING GENERAL FORMULA:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-27 | 1960-11-26 | 1961-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-27 | 1964-11-26 | 1965-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-27 | 1968-11-26 | 1969-05-28 | $7700.00 | Window Closed / Lapsed |