US2756121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxidation of waste gases
Assignee: Standard Oil Co
•
Filing: 1954-02-08
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Granted: 1956-07-24
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Expires: 1974-02-08
Abstract
No abstract record available.
Inventors
- 👤 William W Grimes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:22
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/90; B01J23/96
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
A PROCESS FOR THE OXIDATION OF A WASTE GAS HAVING A TEMPERATURE SUBSTANTIALLY LESS THAN 700* F. AND CONTAINING CARBON MONOXIDE AND HIGH-BOILING HYDROCARBONS IN AN AMOUNT SUFFICIENT TO FORM AN OPTICALLY DENSE AEROSOL
Claim 2
Dependent Claim
34 words
A PROCESS FOR THE OXIDATION OF A WASTE GAS HAVING A TEMPERATURE SUBSTANTIALLY LESS THAN 700* F. AND CONTAINING CARBON MONOXIDE AND HIGH-BOILING HYDROCARBONS IN AN AMOUNT SUFFICIENT TO FORM AN OPTICALLY DENSE AEROSOL
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) | 1959-07-24 | 1960-01-23 | 1960-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-24 | 1964-01-23 | 1964-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-24 | 1968-01-23 | 1968-07-24 | $7700.00 | Window Closed / Lapsed |