CA537600A - Valve means for oil wells - Google Patents

Valve means for oil wells

Info

Publication number
CA537600A
CA537600A CA537600A CA537600DA CA537600A CA 537600 A CA537600 A CA 537600A CA 537600 A CA537600 A CA 537600A CA 537600D A CA537600D A CA 537600DA CA 537600 A CA537600 A CA 537600A
Authority
CA
Canada
Prior art keywords
valve means
oil wells
wells
oil
valve
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
CA537600A
Other languages
French (fr)
Inventor
H. Hill Robert
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.)
Perfect Circle Corp
Original Assignee
Perfect Circle Corp
Publication date
Application granted granted Critical
Publication of CA537600A publication Critical patent/CA537600A/en
Expired legal-status Critical Current

Links

CA537600A Valve means for oil wells Expired CA537600A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA537600T

Publications (1)

Publication Number Publication Date
CA537600A true CA537600A (en) 1957-02-26

Family

ID=35692233

Family Applications (1)

Application Number Title Priority Date Filing Date
CA537600A Expired CA537600A (en) Valve means for oil wells

Country Status (1)

Country Link
CA (1) CA537600A (en)

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