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
CA221,116A
Inventor
Phil Cherrin
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.)
PHIL CHERRIN
Original Assignee
PHIL CHERRIN
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
Priority claimed from US05/521,397external-prioritypatent/US3989175A/en
Application filed by PHIL CHERRINfiledCriticalPHIL CHERRIN
Application grantedgrantedCritical
Publication of CA1017718ApublicationCriticalpatent/CA1017718A/en