v2.4.0.8

Document And Entity Information	9 Months Ended
Document And Entity Information	Jul. 31, 2013	Aug. 23, 2013
Document and Entity Information [Abstract]
Entity Registrant Name	BISON INSTRUMENTS INC
Document Type	10-Q
Current Fiscal Year End Date	--10-31
Entity Common Stock, Shares Outstanding		888,180
Amendment Flag	false
Entity Central Index Key	0001093683
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Smaller Reporting Company
Entity Well-known Seasoned Issuer	No
Document Period End Date	Jul. 31, 2013
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q3

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BISON INSTRUMENTS INC 10-Q