GB189405285A - Improvements in Derricks. - Google Patents

Improvements in Derricks.

Info

Publication number
GB189405285A
GB189405285A GB189405285DA GB189405285A GB 189405285 A GB189405285 A GB 189405285A GB 189405285D A GB189405285D A GB 189405285DA GB 189405285 A GB189405285 A GB 189405285A
Authority
GB
United Kingdom
Prior art keywords
derricks
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
Inventor
Walter Ernest Hutchinson
Arthur Edward Newton
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 GB189405285A publication Critical patent/GB189405285A/en
Expired legal-status Critical Current

Links

GB189405285D 1894-03-13 1894-03-13 Improvements in Derricks. Expired GB189405285A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB189405285T 1894-03-13

Publications (1)

Publication Number Publication Date
GB189405285A true GB189405285A (en) 1895-01-12

Family

ID=32122817

Family Applications (1)

Application Number Title Priority Date Filing Date
GB189405285D Expired GB189405285A (en) 1894-03-13 1894-03-13 Improvements in Derricks.

Country Status (1)

Country Link
GB (1) GB189405285A (en)

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