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
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John Alexande Kennedy-Mcgregor
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Individual
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Individual
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Priority to GB191309729DpriorityCriticalpatent/GB191309729A/en
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Publication of GB191222935ApublicationCriticalpatent/GB191222935A/en
22,935. McGregor, J. A. Kennedy-. Oct. 8. Roller-blinds.-A blind o is operated by a cord which has its two ends attached to a fixed part of the apparatus. Both parts of the cord traverse a pulley k, while one returns by way of the pulley l to the pulley m and joins the other after passing along the edge of the blind. A pneumatically - operated plunger j, controlled by a governor driven from the wheels of a vehicle, or by clock-work, moves the pulleys k, l bodily, and operates the blind.
GB191222935D1912-10-081912-10-08Improvements in or relating to Apparatus or Mechanism for Displaying Advertisements or other Indications.
ExpiredGB191222935A
(en)