Subterranean animal sanctuary
US5809936A · kind A · utility
22Cited by
16References
6Claims
0Family size
Inventor
Key dates
| Filing date | Jan 9, 1997 |
| Grant date | Sep 22, 1998 |
| Priority date | — |
| Expiry date | Jan 9, 2017 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02D29/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A subterranean animal sanctuary for housing an animal underground in a comfortable habitat. The subterranean animal sanctuary comprises a housing, a sanctuary foyer for providing unhindered entry and exit of an animal, an air and heating venting system coupled to a main residence and the housing for supplying cooled air or heated air to the housing, and a ventilation outlet conduit for automatically refreshing the air within the housing with clean and aromatically pleasing air.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.