Proctective adapter for pool drain
US4658449A · kind A · utility
77Cited by
11References
6Claims
0Family size
Inventor
Key dates
| Filing date | Sep 19, 1985 |
| Grant date | Apr 21, 1987 |
| Priority date | — |
| Expiry date | Sep 19, 2005 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04H4/1236
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An adapter for pool drains, including a primary mounting frame secured onto the pool drain with a plurality of arms radiating inwardly and raised to interconnect the second mounting ring. There is further provided a grill work or second secured to the surface of the apparatus for defining a raised screening surface for screening any water flowing into the drain to prevent whirlpooling effect in the drain. Further, the apparatus is adapted for various size drains and is easily removable and set in place.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.