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Automatic umbrella safety device

US 2010/0288317 A1 · Inventors: HUANG; Chin-Keng

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Overview

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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 November 18, 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.
FiledDecember 28, 2009
PublishedNovember 18, 2010
StatusAbandoned (inferred)
Application number12/647978
Classification (CPC)A45B25/143
Length8 pages

Timeline

Timeline From USPTO dates

2010Application filedDec 28, 2009Application publishedNov 18, 2010

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