US Patent 8141683 Expandable platform
Patent 8141683 was granted and assigned to Wurtec on March, 2012 by the United States Patent and Trademark Office.
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Patent abstract
An expandable platform for use within an elevator hoistway is provided. The expandable platform includes a plurality of corner members slidably connected to a plurality of side members. The corner members and the side members form an adjustable frame assembly. A plurality of extension members is connected to opposing side members. The extension members are configured to support a plurality of support surfaces. A depth and a width of the adjustable frame assembly can be adjusted to fit elevator hoistways having various depths and widths.
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US Patent 08141683 Expandable platform US Patent 8141683 Expandable platform
Infobox
Patent Number
0814168300
Patent Number
814168300
Edits on 25 Apr, 2023
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
081416830
Date of Patent
March 27, 2012
0Patent Application Number
127669510
Date Filed
April 26, 2010
0Patent Primary Examiner
Edits on 23 Sep, 2022
Golden AI
Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
081416830
Date of Patent
March 27, 2012
0Patent Application Number
127669510
Date Filed
April 26, 2010
0Patent Primary Examiner
Edits on 14 Dec, 2021
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US Patent 08141683 Expandable platform
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
08141683
Date of patent
March 27, 2012
Patent application number
12766951
Date Filed
April 26, 2010
Patent primary examiner
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