CA335781A - Drill bit - Google Patents

Drill bit

Info

Publication number
CA335781A
CA335781A CA335781A CA335781DA CA335781A CA 335781 A CA335781 A CA 335781A CA 335781 A CA335781 A CA 335781A CA 335781D A CA335781D A CA 335781DA CA 335781 A CA335781 A CA 335781A
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
CA335781A
Other languages
French (fr)
Inventor
C. Rea Walter
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.)
ECONOMY ROCK BIT Corp
Original Assignee
ECONOMY ROCK BIT Corp
Publication date
Application granted granted Critical
Publication of CA335781A publication Critical patent/CA335781A/en
Expired legal-status Critical Current

Links

CA335781A Drill bit Expired CA335781A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA335781T

Publications (1)

Publication Number Publication Date
CA335781A true CA335781A (en) 1933-09-19

Family

ID=35298923

Family Applications (1)

Application Number Title Priority Date Filing Date
CA335781A Expired CA335781A (en) Drill bit

Country Status (1)

Country Link
CA (1) CA335781A (en)

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