CA139663A - Coal mining machine - Google Patents

Coal mining machine

Info

Publication number
CA139663A
CA139663A CA000139663A CA139663DA CA139663A CA 139663 A CA139663 A CA 139663A CA 000139663 A CA000139663 A CA 000139663A CA 139663D A CA139663D A CA 139663DA CA 139663 A CA139663 A CA 139663A
Authority
CA
Canada
Prior art keywords
coal mining
mining machine
coal
machine
mining
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
CA000139663A
Other languages
French (fr)
Inventor
Elmer Hough
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA139663A publication Critical patent/CA139663A/en
Expired legal-status Critical Current

Links

CA000139663A 1911-11-18 1911-11-18 Coal mining machine Expired CA139663A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA139663T 1911-11-18

Publications (1)

Publication Number Publication Date
CA139663A true CA139663A (en) 1912-04-09

Family

ID=45259379

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000139663A Expired CA139663A (en) 1911-11-18 1911-11-18 Coal mining machine

Country Status (1)

Country Link
CA (1) CA139663A (en)

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