CA596607A - Rotary expansible drill bits - Google Patents

Rotary expansible drill bits

Info

Publication number
CA596607A
CA596607A CA596607A CA596607DA CA596607A CA 596607 A CA596607 A CA 596607A CA 596607 A CA596607 A CA 596607A CA 596607D A CA596607D A CA 596607DA CA 596607 A CA596607 A CA 596607A
Authority
CA
Canada
Prior art keywords
drill bits
rotary expansible
expansible drill
rotary
bits
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
CA596607A
Inventor
Archer W. Kammerer, Jr.
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
Publication date
Application granted granted Critical
Publication of CA596607A publication Critical patent/CA596607A/en
Expired legal-status Critical Current

Links

CA596607A Rotary expansible drill bits Expired CA596607A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA596607T

Publications (1)

Publication Number Publication Date
CA596607A true CA596607A (en) 1960-04-19

Family

ID=35812379

Family Applications (1)

Application Number Title Priority Date Filing Date
CA596607A Expired CA596607A (en) Rotary expansible drill bits

Country Status (1)

Country Link
CA (1) CA596607A (en)

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