CA143015A - Mecanisme de barriere - Google Patents

Mecanisme de barriere

Info

Publication number
CA143015A
CA143015A CA000143015A CA143015DA CA143015A CA 143015 A CA143015 A CA 143015A CA 000143015 A CA000143015 A CA 000143015A CA 143015D A CA143015D A CA 143015DA CA 143015 A CA143015 A CA 143015A
Authority
CA
Canada
Prior art keywords
gate mechanism
gate
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
CA000143015A
Other languages
English (en)
Inventor
John Spence
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 CA143015A publication Critical patent/CA143015A/fr
Expired legal-status Critical Current

Links

CA000143015A 1912-04-12 1912-04-12 Mecanisme de barriere Expired CA143015A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA143015T 1912-04-12

Publications (1)

Publication Number Publication Date
CA143015A true CA143015A (fr) 1912-09-24

Family

ID=45262730

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000143015A Expired CA143015A (fr) 1912-04-12 1912-04-12 Mecanisme de barriere

Country Status (1)

Country Link
CA (1) CA143015A (fr)

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