CA2041984CCA 2041984CA2041984ACA2041984CCA 2041984 CCA2041984 CCA 2041984CCA 2041984 CA2041984 CA 2041984CA 2041984 ACA2041984 ACA 2041984ACA 2041984 CCA2041984 CCA 2041984C
Authority
CA
Canada
Prior art keywords
teeth
leading
trailing
tire
working
Prior art date
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.)
B&J Rocket America Inc
Original Assignee
B&J Manufacturing Co
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 US07/657,565external-prioritypatent/US5283935A/en
Application filed by B&J Manufacturing CofiledCriticalB&J Manufacturing Co
Publication of CA2041984A1publicationCriticalpatent/CA2041984A1/fr
Application grantedgrantedCritical
Publication of CA2041984CpublicationCriticalpatent/CA2041984C/fr