AU492359B2 - Removable stem for raise bits - Google Patents

Removable stem for raise bits

Info

Publication number
AU492359B2
AU492359B2 AU84018/75A AU8401875A AU492359B2 AU 492359 B2 AU492359 B2 AU 492359B2 AU 84018/75 A AU84018/75 A AU 84018/75A AU 8401875 A AU8401875 A AU 8401875A AU 492359 B2 AU492359 B2 AU 492359B2
Authority
AU
Australia
Prior art keywords
removable stem
raise
bits
raise bits
stem
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
AU84018/75A
Other versions
AU8401875A (en
Inventor
DEAN DYER and HOWARD EARL MITCHELL RICHMAN
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.)
Tamrock Canada Inc
Original Assignee
Tamrock Canada Inc
Filing date
Publication of AU492359B2 publication Critical patent/AU492359B2/en
Priority claimed from US506667A external-priority patent/US3917009A/en
Application filed by Tamrock Canada Inc filed Critical Tamrock Canada Inc
Publication of AU8401875A publication Critical patent/AU8401875A/en
Anticipated expiration legal-status Critical
Expired legal-status Critical Current

Links

AU84018/75A 1975-08-15 Removable stem for raise bits Expired AU492359B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US506667A US3917009A (en) 1974-09-16 1974-09-16 Removable stem for raise bits

Publications (2)

Publication Number Publication Date
AU492359B2 true AU492359B2 (en)
AU8401875A AU8401875A (en) 1977-02-17

Family

ID=

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