CA115938A - Mine door - Google Patents

Mine door

Info

Publication number
CA115938A
CA115938A CA000115938A CA115938DA CA115938A CA 115938 A CA115938 A CA 115938A CA 000115938 A CA000115938 A CA 000115938A CA 115938D A CA115938D A CA 115938DA CA 115938 A CA115938 A CA 115938A
Authority
CA
Canada
Prior art keywords
mine door
mine
door
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
CA000115938A
Other languages
French (fr)
Inventor
Joseph L. Dinwiddie
Albert F. Braun
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 CA115938A publication Critical patent/CA115938A/en
Expired legal-status Critical Current

Links

CA000115938A 1908-09-12 1908-09-12 Mine door Expired CA115938A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA115938T 1908-09-12

Publications (1)

Publication Number Publication Date
CA115938A true CA115938A (en) 1909-01-05

Family

ID=45235663

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000115938A Expired CA115938A (en) 1908-09-12 1908-09-12 Mine door

Country Status (1)

Country Link
CA (1) CA115938A (en)

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