CA173272A - Meche de foret - Google Patents

Meche de foret

Info

Publication number
CA173272A
CA173272A CA000173272A CA173272DA CA173272A CA 173272 A CA173272 A CA 173272A CA 000173272 A CA000173272 A CA 000173272A CA 173272D A CA173272D A CA 173272DA CA 173272 A CA173272 A CA 173272A
Authority
CA
Canada
Prior art keywords
drill bit
drill
bit
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.)
Expired
Application number
CA000173272A
Other languages
English (en)
Inventor
Granville A. Humason
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.)
Individual
Original Assignee
Individual
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
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA173272A publication Critical patent/CA173272A/fr
Expired legal-status Critical Current

Links

CA000173272A 1916-08-25 1916-08-25 Meche de foret Expired CA173272A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA173272T 1916-08-25

Publications (1)

Publication Number Publication Date
CA173272A true CA173272A (fr) 1916-11-21

Family

ID=45292925

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000173272A Expired CA173272A (fr) 1916-08-25 1916-08-25 Meche de foret

Country Status (1)

Country Link
CA (1) CA173272A (fr)

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