CA416921A - Hydraulic drilling machine - Google Patents

Hydraulic drilling machine

Info

Publication number: CA416921A
Authority: CA; Canada
Prior art keywords: drilling machine; hydraulic drilling; hydraulic; machine; drilling
Prior art date: 1943-12-07
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

Other languages

Inventor

J. Hirvonen Eric

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.)

Leland Gifford Co

Original Assignee

Eric J Hirvonen

Leland Gifford Co

Publication date

1943-12-07

1943-12-07 Application granted granted Critical

1943-12-07 Publication of CA416921A publication Critical patent/CA416921A/en

Status Expired legal-status Critical Current

Links

CA416921D Hydraulic drilling machine Expired CA416921A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA416921T

Publications (1)

Publication Number	Publication Date
CA416921A true CA416921A (en)	1943-12-07

Family

ID=35526154

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA416921D Expired CA416921A (en)			Hydraulic drilling machine

Country Status (1)

Country	Link
CA (1)	CA416921A (en)

0
- CA CA416921D patent/CA416921A/en not_active Expired

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