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
John James
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Application grantedgrantedCritical
Publication of GB190521696ApublicationCriticalpatent/GB190521696A/en
Specific Sealing Or Ventilating Devices For Doors And Windows
(AREA)
Abstract
21,696. James, J. Oct. 25. Chimney and ventilating- shaft tops.-Opposite pairs of hinged doors B, B<3> and B', B<2> are connected by rods C, so that, when the doors on the windward side are closed, those on the lee side are open. [Reference has been directed under Patents Act, 1902, to Specifications Nos. 3041 and 19,628, A.D. 1889, and No. 15,811, A.D. 1894.]
GB190521696D1905-10-251905-10-25An Improved Chimney or Ventilating-shaft Top.
ExpiredGB190521696A
(en)
Improvements in or relating to Regulators Employed in Connection with the Opening and Closing of Windows, Skylights, Fanlights, Ventilators and the like.