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
Martin Blanchfield
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 GB190701495ApublicationCriticalpatent/GB190701495A/en
1495. Blenchfield, M. Jan. 21. Windows.- Chains d, attached to the top sash b, pass over pulleys e in the window frame a, and engage with hooks g fixed on the lower sash. The sashes balance one another. and can be moved together or independently.
GB190701495D1907-01-211907-01-21Improvements in or relating to Balanced Window Sashes.
ExpiredGB190701495A
(en)