CA23943A - Combined door bell and burglar alarm - Google Patents

Combined door bell and burglar alarm

Info

Publication number
CA23943A
CA23943A CA000023943A CA23943DA CA23943A CA 23943 A CA23943 A CA 23943A CA 000023943 A CA000023943 A CA 000023943A CA 23943D A CA23943D A CA 23943DA CA 23943 A CA23943 A CA 23943A
Authority
CA
Canada
Prior art keywords
burglar alarm
door bell
combined door
combined
bell
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
CA000023943A
Other languages
French (fr)
Inventor
Allen W. Thomas
George W. Way
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 CA23943A publication Critical patent/CA23943A/en
Expired legal-status Critical Current

Links

CA000023943A Combined door bell and burglar alarm Expired CA23943A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA23943T

Publications (1)

Publication Number Publication Date
CA23943A true CA23943A (en) 1886-04-30

Family

ID=45140486

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000023943A Expired CA23943A (en) Combined door bell and burglar alarm

Country Status (1)

Country Link
CA (1) CA23943A (en)

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