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
CA19447F
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.)
HERBERT RICHARDS
Original Assignee
HERBERT RICHARDS
Publication date
Priority to CA19447FpriorityCriticalpatent/CA19447S/en
Application grantedgrantedCritical
Publication of CA19447SpublicationCriticalpatent/CA19447S/en