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Physical development of a thin reversibly activatable photoconductor element having a resinous barrier layer

US 3,700,449 A · Inventors: LERNER HARRY

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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.

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Why it's free to use

  • Granted October 24, 1972. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by October 24, 1989.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledMarch 23, 1970
GrantedOctober 24, 1972
Term endedOctober 24, 1989
Application number—
Classification (CPC)G03C1/705 +1 more
Length3 pages

Timeline

Timeline From USPTO dates

1971197319751977197919811983198519871989Application filedMarch 23, 1970Patent grantedOct 24, 1972Term endedOct 24, 1989

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Full published documentText and every drawing sheet as a PDF.USPTOFile historyStatus, office actions, notices, fee records and petitions.USPTO Patent CenterPatent Public Search recordSearchable full text and bibliographic data.USPTO

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