CA199940A - Safety brake for elevators - Google Patents
Safety brake for elevatorsInfo
- Publication number
- CA199940A CA199940A CA199940A CA199940DA CA199940A CA 199940 A CA199940 A CA 199940A CA 199940 A CA199940 A CA 199940A CA 199940D A CA199940D A CA 199940DA CA 199940 A CA199940 A CA 199940A
- Authority
- CA
- Canada
- Prior art keywords
- elevators
- safety brake
- brake
- 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 |
|---|---|---|---|
| CA199940T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA199940A true CA199940A (en) | 1920-05-11 |
Family
ID=35074377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA199940A Expired CA199940A (en) | Safety brake for elevators |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA199940A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD985544S1 (en) * | 2019-05-13 | 2023-05-09 | Jun Lu | USB gain-adjustable microphone |
| USD994650S1 (en) * | 2021-08-04 | 2023-08-08 | Yarmee Electronic Technology Co., Ltd. | USB microphone |
-
0
- CA CA199940A patent/CA199940A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD985544S1 (en) * | 2019-05-13 | 2023-05-09 | Jun Lu | USB gain-adjustable microphone |
| USD994650S1 (en) * | 2021-08-04 | 2023-08-08 | Yarmee Electronic Technology Co., Ltd. | USB microphone |
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