US Patent 7524133 Surface water drainage system
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Patent abstract
A surface water drainage system according to the present invention includes a structure that can be installed in the ground, and a cover that can be laid onto an upper edge of the structure. Fixation devices that are attached to the cover include a locking system in a form of elastic hook elements fixed to edges of the cover that can be brought into snap-on engagement with other locking system on the structure in order to retain the cover on the structure.
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US Patent 07524133 Surface water drainage system US Patent 7524133 Surface water drainage system
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Patent Number
0752413300
Patent Number
752413300
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Official Website
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Infobox
Is a
Patent Jurisdiction
Patent Number
075241330
Date of Patent
April 28, 2009
0Patent Application Number
105635320
Date Filed
June 24, 2004
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
075241330
Date of Patent
April 28, 2009
0Patent Application Number
105635320
Date Filed
June 24, 2004
0Official Website
Patent Primary Examiner
Edits on 15 Jun, 2022
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US Patent 07524133 Surface water drainage system
Infobox
Is a
Patent jurisdiction
Patent number
07524133
Date of patent
April 28, 2009
Patent application number
10563532
Date Filed
June 24, 2004
Patent primary examiner
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