US Patent 10272931 Travel obstructing device
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Patent abstract
A travel obstructing device comprises a supported portion configured to be placed on a railed track, a main body portion which is suspended from, and supported by, the supported portion, a power-receiving portion configured to receive electric power from a non-contact-type electricity supplying portion, and a warning device configured to receive electric power supplied from the power-receiving portion and to issue a warning.
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Patent Inventor Names
Ryuya Murakami0
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Patent Jurisdiction
Patent Number
102729310
Date of Patent
April 30, 2019
0Patent Application Number
157940670
Date Filed
October 26, 2017
0Official Website
Patent Citations
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US Patent 10272931 Travel obstructing device
Infobox
Is a
Patent jurisdiction
Patent number
10272931
Date of patent
April 30, 2019
Patent application number
15794067
Date Filed
October 26, 2017
Patent citations
Patent primary examiner
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