CA47012A - Appareil de rotation pour forets de mines - Google Patents

Appareil de rotation pour forets de mines

Info

Publication number: CA47012A
Authority: CA; Canada
Prior art keywords: rotating device; rock drills; drills; rock; rotating
Prior art date: 1894-09-11
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

Henry Clark Sergeant

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.)

Ingersoll Sergeant Drill Co

Original Assignee

Ingersoll Sergeant Drill Co

Publication date

1894-09-11

1894-09-11 Application granted granted Critical

1894-09-11 Publication of CA47012A publication Critical patent/CA47012A/fr

Status Expired legal-status Critical Current

Links

CA47012D Appareil de rotation pour forets de mines Expired CA47012A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA47012T

Publications (1)

Publication Number	Publication Date
CA47012A true CA47012A (fr)	1894-09-11

Family

ID=45163552

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA47012D Expired CA47012A (fr)			Appareil de rotation pour forets de mines

Country Status (1)

Country	Link
CA (1)	CA47012A (fr)

0
- CA CA47012D patent/CA47012A/fr not_active Expired

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