Likely abandonedArchiveSolo inventor
Automatic umbrella safety device
US 2010/0288317 A1 · Inventors: HUANG; Chin-Keng
Overview
The published document from the USPTO: abstract, claims, description and drawings. Open it full size
Read the whole patent
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
Sources & verification
Official USPTO records
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Everything on this page comes from the USPTO record linked above.