Sewage system with reusable flush medium
US3974528A · kind A · utility
15Cited by
8References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 7, 1975 |
| Grant date | Aug 17, 1976 |
| Priority date | — |
| Expiry date | Aug 7, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S4/19
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A sewage system in which the transport medium or flush medium is a liquid having a specific gravity less than that of water. The flush medium after transporting sewage waste to a tank or the like thereafter separates from the sewage and floats on top of it becoming available for reuse.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.