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Dimmer control for system having master and slave dimming devices using pulse signalling therebetween

US 3,284,667 A · Inventors: HARRIS ROY J T et al.

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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 November 8, 1966. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by November 8, 1983.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledSeptember 9, 1963
GrantedNovember 8, 1966
Term endedNovember 8, 1983
Application number—
Classification (CPC)H05B41/3924 +1 more
Length8 pages

Timeline

Timeline From USPTO dates

1964196619681970197219741976197819801982Application filedSep 9, 1963Patent grantedNov 8, 1966Term endedNov 8, 1983

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Official USPTO records

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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