CA145209A - Switch back - Google Patents
Switch backInfo
- Publication number
- CA145209A CA145209A CA000145209A CA145209DA CA145209A CA 145209 A CA145209 A CA 145209A CA 000145209 A CA000145209 A CA 000145209A CA 145209D A CA145209D A CA 145209DA CA 145209 A CA145209 A CA 145209A
- Authority
- CA
- Canada
- Prior art keywords
- switch back
- 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
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA145209T | 1912-11-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA145209A true CA145209A (en) | 1913-01-14 |
Family
ID=45264924
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000145209A Expired CA145209A (en) | 1912-11-20 | 1912-11-20 | Switch back |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA145209A (en) |
-
1912
- 1912-11-20 CA CA000145209A patent/CA145209A/en not_active Expired
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