US3781200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorocarbon and oxygen-providing compound treatment of waste waters
Assignee: Individual
•
Filing: 1972-09-18
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Granted: 1973-12-25
•
Expires: 1992-09-18
Abstract
Abstract A PROCESS OF USING HEAVY FREON AS A SOLVENT FOR H2O2, OZONE, OXYGEN OR AIR FOR CARRYING THESE OXYGEN PROVIDERS BENEATH A BODY OF SEWER WATER SO THAT OXYGEN DIFFUSES UPWARDLY INTO THE WATER FROM THE FREON TO CONTROL SEPTIC ORDORS OR TO CAUSE AEROBES TO THRIVE AND SO THAT MATERIAL SUCH AS FAT IN THE WATER IS DISSOLVED IN THE FREON TO FACILITATE ITS EXTRACTION.
Inventors
- 👤 Hicks M Grant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:33
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/02; C02F3/025; C02F1/00; C02F1/72; C02F1/78; Y; Y02; Y02W; Y02W10/00; Y02W10/10
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) | 1976-12-24 | 1977-06-25 | 1977-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-24 | 1981-06-25 | 1981-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-24 | 1985-06-25 | 1985-12-25 | $7700.00 | Window Closed / Lapsed |