Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Inventor
Colin Mccallum
James Mcgruther
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Individual
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Individual
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Publication of GB190320517ApublicationCriticalpatent/GB190320517A/en
Connections Arranged To Contact A Plurality Of Conductors
(AREA)
Abstract
20,517. McCallum, C., and McGruther, J. Sept. 24. Supporting lamps.-Indicators for showing the position of joists, to facilitate the attachment of electric fittings, are formed of metal dome or cup pieces A, provided with indicator points B, and are screwed to the lath and plaster or joists by countersunk screws D. The ceiling may be finished level with the face of the indicator points B. Holes G, H are left for the passage of wires.
GB190320517D1903-09-241903-09-24Improvements in and connected with the Fixing of Pulleys, Electric Wires and such like to Ceilings
ExpiredGB190320517A
(en)