CA188311A - Switch frog - Google Patents

Switch frog

Info

Publication number
CA188311A
CA188311A CA000188311A CA188311DA CA188311A CA 188311 A CA188311 A CA 188311A CA 000188311 A CA000188311 A CA 000188311A CA 188311D A CA188311D A CA 188311DA CA 188311 A CA188311 A CA 188311A
Authority
CA
Canada
Prior art keywords
switch frog
frog
switch
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
CA000188311A
Other languages
French (fr)
Inventor
Thomas C. Barrett
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 CA188311A publication Critical patent/CA188311A/en
Expired legal-status Critical Current

Links

CA000188311A 1918-11-12 1918-11-12 Switch frog Expired CA188311A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA188311T 1918-11-12

Publications (1)

Publication Number Publication Date
CA188311A true CA188311A (en) 1919-01-21

Family

ID=45307962

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000188311A Expired CA188311A (en) 1918-11-12 1918-11-12 Switch frog

Country Status (1)

Country Link
CA (1) CA188311A (en)

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