Grating

Details Grating Grating

2011-04-26

2011-04-26

Addie, Raymond W (Department: 3671)

Road structure, process, or apparatus

Drain or gutter

Street or curb inlet for surface drainage

C404S002000, C404S025000, C052S019000

Reexamination Certificate

active

07931421

ABSTRACT:
A cover grating for a drainage channel or a similarly hollow body which can be installed in the ground is presented, wherein the cover grating is produced in a single piece and more particularly from a sheet metal strip, comprising at least two longitudinal webs extending on the underside of the cover grating and inlet slots formed in the cover grating between these longitudinal webs and comprising transverse webs resulting from the slot forming operation and extending on the lower side of the cover grating wherein the transverse webs are provided at each of their end regions with at least one receiving projection which at least partially engages in to a respective complementarily formed receiving slot in the longitudinal web.

REFERENCES:
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patent: 5024550 (1991-06-01), Mainville
patent: D339415 (1993-09-01), Kiras
patent: 6612780 (2003-09-01), Dahowski et al.
patent: 6908256 (2005-06-01), Humphries et al.
patent: 2423305 (1975-11-01), None
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patent: 87 17 171 (1988-07-01), None
patent: 3713971 (1988-11-01), None
patent: 1 688 550 (2006-08-01), None
patent: 2 190 130 (1974-01-01), None
International Search Report; International application No. PCT/EP2007/001874; Completion date Jul. 11, 2007.
English Translation of the International Preliminary Report on Patentability; Dated May 14, 2009; PCT/EP2007/001874.
English translation of the first claim for foreign patent 81 17 171 U1 DE; Publication Date Jul. 21, 1988; Name of Applicant Franz Brinkmann.
English translation of the first claim for foreign patent 2 190 130 FR; Publication Date Jan. 25, 1974; Name of Applicant Resistarc Sarl.
English translation of the first claim for foreign patent 3713971 A1 DE; Publication Date Nov. 10, 1988; Name of Applicant Fritz et al.
English translation of the first claim for foreign patent 2423305 DE; Publication Date Nov. 27, 1975; Name of Applicant H. March et al.

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