CA653583A - Drill bits - Google Patents

Drill bits

Info

Publication number
CA653583A
CA653583A CA653583A CA653583DA CA653583A CA 653583 A CA653583 A CA 653583A CA 653583 A CA653583 A CA 653583A CA 653583D A CA653583D A CA 653583DA CA 653583 A CA653583 A CA 653583A
Authority
CA
Canada
Prior art keywords
drill bits
drill
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
CA653583A
Inventor
M. Perkins John
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.)
JOHN M PERKINS AND SMITH Ltd
Original Assignee
JOHN M. PERKINS AND SMITH LIMITED
Publication date
Priority to CA653583T priority Critical
Application granted granted Critical
Publication of CA653583A publication Critical patent/CA653583A/en
Application status is Expired legal-status Critical

Links

CA653583A Drill bits Expired CA653583A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA653583T

Publications (1)

Publication Number Publication Date
CA653583A true CA653583A (en) 1962-12-04

Family

ID=35946903

Family Applications (1)

Application Number Title Priority Date Filing Date
CA653583A Expired CA653583A (en) Drill bits

Country Status (1)

Country Link
CA (1) CA653583A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5507357A (en) * 1994-02-04 1996-04-16 Foremost Industries, Inc. Pilot bit for use in auger bit assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5507357A (en) * 1994-02-04 1996-04-16 Foremost Industries, Inc. Pilot bit for use in auger bit assembly

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