CA199940A - Frein de securite d'ascenseur - Google Patents

Frein de securite d'ascenseur

Info

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
Application number
CA199940A
Other languages
English (en)
Inventor
Curry Joseph
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
Publication date
Application granted granted Critical
Publication of CA199940A publication Critical patent/CA199940A/fr
Expired legal-status Critical Current

Links

CA199940A Frein de securite d'ascenseur Expired CA199940A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA199940T

Publications (1)

Publication Number Publication Date
CA199940A true CA199940A (fr) 1920-05-11

Family

ID=35074377

Family Applications (1)

Application Number Title Priority Date Filing Date
CA199940A Expired CA199940A (fr) Frein de securite d'ascenseur

Country Status (1)

Country Link
CA (1) CA199940A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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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