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US Patent 11512477 Telescoping guardrail/flip door

OverviewStructured DataIssuesContributorsActivity
Is a
Patent
Patent
Date Filed
November 22, 2019
Date of Patent
November 29, 2022
Patent Application Number
16693012
Patent Citations
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US Patent 10279724 Ramp door patio deck system
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US Patent 10724256 Enhanced safety cage apparatus for work areas on top of rolling stock such as rail tank cars
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US Patent 10730372 Ramp door with self-deploying rail
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US Patent 10822818 Cage assembly for use with pivotal gangway
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US Patent 11007944 Automatic railing for a retractable stairway
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US Patent 10968643 Transportation systems, elevator systems, kits, tower sections and methods for performing assembly or maintenance operations in towers
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US Patent 11319713 Elevating cage with pivotably attached panels having respective pivotable latches
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US Patent 10087641 Cage assembly for use with pivotal gangway
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US Patent 10184256 Collapsible safety barrier and support post
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
11512477
Patent Primary Examiner
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Brian D Mattei
CPC Code
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E04G 5/14
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E04G 1/00
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E04G 2001/155
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E06B 3/38
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E06B 11/00
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E05Y 2201/434
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B64F 5/10
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E04F 11/18

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