Toilet waste holding apparatus
US4042981A · kind A · utility
7Cited by
8References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 29, 1975 |
| Grant date | Aug 23, 1977 |
| Priority date | — |
| Expiry date | Sep 29, 1995 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE03D9/04
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A toilet waste holding apparatus for a vehicle has a vent which sucks away tank gasses and odors, without permitting sewage overflow to enter the vent. An insert allows entrance of clean air to the tank and access to the interior for cleaning.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.