Patent ID: 11873640
Assignee: BRéTON PRéFABRIQUE DU QUéBEC INC.
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 1:
2. The apparatus, according to claim 1, includes:
the plurality of block members comprise four block members sized for location on the plate, the four block members each having the stepped corner portion disposed towards each other;
the plurality of angled connector plates comprise four angled connector plates sized and shaped to abuttingly engage the stepped corner portion of a respective one of the block members;
the plurality of upstanding walls comprise four upstanding walls extending from the plate, each of the upstanding walls being located away from the stepped corner portions to define the gap therebetween; and
the plurality of perforated plate members comprise four perforated plate members connected to the upper end portions of each of the four upstanding walls.