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.)
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.)
Hayward Tyler and Co Ltd
Original Assignee
Hayward Tyler and Co Ltd
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 Hayward Tyler and Co LtdfiledCriticalHayward Tyler and Co Ltd
Application grantedgrantedCritical
Publication of CA135194ApublicationCriticalpatent/CA135194A/fr