US3775307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for gas sparging into liquid
Assignee: Union Carbide Corp
•
Filing: 1971-04-08
•
Granted: 1973-11-27
•
Expires: 1991-04-08
Abstract
Abstract A SYSTEM FOR SPARGING GAS INTO LIQUID AS FOR EXAMPLE OXYGEN INTO WASTE LIQUID CONTAINING ORGANIC SOLIDS, WHEREIN THE GAS IS INJECTED WITH A VERTICAL DIRECTION COMPONENT AS A MULTIPLICITY OF DISCRETE STREAMS ORBITED AROUND A COMMON VERTICAL AXIS TO SCRIBE A MULTIPLICITY OF CIRCLES HAVING DIFFERENT RADII, AND THROUGH SMALL OPENINGS TO FORM SMALL GAS BUBBLES.
Inventors
- 👤 J Mcwhirter
- 👤 J Albertsson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:08
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/02; C02F3/12; C02F3/20; B; B01; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/233; B01F23/2331; B01F23/23311; B01F33/00; B01F33/50; B01F33/503; C02F3/26; B01F2215/00; B01F2215/04; B01F2215/0413; B01F2215/0436; B01F2215/045; B01F2215/0481; B01F23/2336; B01F23/23362; B01F27/00; B01F27/05; B01F27/11; B01F27/112; B01F27/1125; B01F27/11251; B01F27/113; B01F27/19; B01F27/192; Y; Y02; Y02W; Y02W10/00; Y02W10/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1976-11-26 | 1977-05-28 | 1977-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-26 | 1981-05-28 | 1981-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-26 | 1985-05-28 | 1985-11-27 | $7700.00 | Window Closed / Lapsed |