Patent Yard Sign in
Likely abandonedArchive

Dithered holographic frontlight

US 2010/0238529 A1 · Assignee: Qualcomm MEMS Technologies, Inc. · Inventors: SAMPSELL; JEFFREY BRIAN et al.

USPTO PDF

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 September 23, 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.
FiledMarch 23, 2009
PublishedSeptember 23, 2010
StatusAbandoned (inferred)
Application number12/409289
Classification (CPC)G03H1/0408 +2 more
Length26 pages

Timeline

Timeline From USPTO dates

2010Application filedMarch 23, 2009Application publishedSep 23, 2010

Sources & verification