CA174981A - Obturateur d'ecoulement - Google Patents

Obturateur d'ecoulement

Info

Publication number
CA174981A
CA174981A CA000174981A CA174981DA CA174981A CA 174981 A CA174981 A CA 174981A CA 000174981 A CA000174981 A CA 000174981A CA 174981D A CA174981D A CA 174981DA CA 174981 A CA174981 A CA 174981A
Authority
CA
Canada
Prior art keywords
wash out
out plug
plug
wash
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
CA000174981A
Other languages
English (en)
Inventor
Hal Howard
Frank B. Wilkinson
Thomas F. Hayes
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 CA174981A publication Critical patent/CA174981A/fr
Expired legal-status Critical Current

Links

CA000174981A 1916-12-06 1916-12-06 Obturateur d'ecoulement Expired CA174981A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA174981T 1916-12-06

Publications (1)

Publication Number Publication Date
CA174981A true CA174981A (fr) 1917-02-06

Family

ID=45294634

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000174981A Expired CA174981A (fr) 1916-12-06 1916-12-06 Obturateur d'ecoulement

Country Status (1)

Country Link
CA (1) CA174981A (fr)

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