Canadian Kind Codes

Table 1. Canadian Patent Document Kind Codes

Kind Code Document Type Note
A Patent Prior to Oct. 1, 1989
A Laid-open application Oct. 1, 1989-present
B Reissue patent Prior to Oct. 1, 1989
C Patent Oct. 1989-present
E Reissue patent Oct. 1989-present
F Certificate for reexamined patent

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