公开(公告)号：US20240093511A1

公开(公告)日：2024-03-21

申请号：US18038681

申请日：2021-11-24

Applicant: Sylvia Jaeger

Inventor： Sylvia Jaeger

IPC: E04F15/024 ,  E01C9/10 ,  E01C17/00 ,  E04F15/02 ,  E04F15/10 ,  E04F19/06 ,  F21S4/28 ,  G09F13/04

CPC classification number: E04F15/02452 ,  E01C9/10 ,  E01C17/00 ,  E04F15/02183 ,  E04F15/02188 ,  E04F15/02405 ,  E04F15/02494 ,  E04F15/105 ,  E04F19/061 ,  F21S4/28 ,  G09F13/0495 ,  E01C2201/20 ,  E01C2201/207 ,  F21Y2103/10

Abstract: A cover device for gratings, having a planar support (1) and a plurality of holding elements (20) which protrude at a bottom side (7) of the support (1), wherein a plurality of elevations (10) and recesses (11) are provided on an upper side (6) of the support (1).