CA509439A - Safety lock and key - Google Patents
Safety lock and keyInfo
- Publication number
- CA509439A CA509439A CA509439A CA509439DA CA509439A CA 509439 A CA509439 A CA 509439A CA 509439 A CA509439 A CA 509439A CA 509439D A CA509439D A CA 509439DA CA 509439 A CA509439 A CA 509439A
- Authority
- CA
- Canada
- Prior art keywords
- key
- safety lock
- lock
- safety
- 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 |
---|---|---|---|
CA509439T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA509439A true CA509439A (en) | 1955-01-25 |
Family
ID=35660489
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA509439A Expired CA509439A (en) | Safety lock and key |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA509439A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110284764A (en) * | 2018-12-24 | 2019-09-27 | 沈治海 | A kind of interlocking theftproof lock core |
-
0
- CA CA509439A patent/CA509439A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110284764A (en) * | 2018-12-24 | 2019-09-27 | 沈治海 | A kind of interlocking theftproof lock core |
CN110284764B (en) * | 2018-12-24 | 2024-02-09 | 沈治海 | Linkage anti-theft lock core |
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