US Patent 7992681 Portable safety ladder assembly
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Patent abstract
A safety ladder assembly and a safety extension used in combination with a ladder suitable to permit safe and easy access to the landing areas, working platforms, scaffolds, etc. The assembly includes safety extension members having a plurality of horizontal handgrips ergonomically designed to prevent falls from the ladder when a user is ascending upward or descending downward.
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Patent Inventor Names
J Nigel Ellis0
James T. Anderson0
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US Patent 07992681 Portable safety ladder assembly US Patent 7992681 Portable safety ladder assembly
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Patent Number
079926810
Patent Number
79926810
Edits on 29 Mar, 2023
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Patent Jurisdiction
Patent Number
079926810
Date of Patent
August 9, 2011
0Patent Application Number
116791640
Date Filed
February 26, 2007
0Patent Primary Examiner
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US Patent 07992681 Portable safety ladder assembly
Infobox
Is a
Patent jurisdiction
Patent number
07992681
Date of patent
August 9, 2011
Patent application number
11679164
Date Filed
February 26, 2007
Patent primary examiner
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