Likely abandonedArchiveSolo inventor
Safety gap filler for railway platforms
US 2010/0224097 A1 · Inventors: Lee; Wan Young
Overview
The published document from the USPTO: abstract, claims, description and drawings. Open it full size
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Listed from its USPTO record in Patent Yard's full-term archive. Its claims, description and drawings are in the USPTO PDF and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Published September 9, 2010, and no patent has issued anywhere in its US family since.
- Nothing has been filed in its family for more than seven years, so it is very unlikely to still be pending.
- This status is inferred from USPTO records. Confirm it on Patent Center before relying on it.
FiledAugust 8, 2007
PublishedSeptember 9, 2010
StatusAbandoned (inferred)
Application number12/376403
Classification (CPC)E01F1/00 +1 more
Length13 pages
Timeline
Timeline From USPTO dates
Sources & verification
Official USPTO records
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Everything on this page comes from the USPTO record linked above.