CA142101A - Bouton de porte avertisseur - Google Patents

Bouton de porte avertisseur

Info

Publication number
CA142101A
CA142101A CA000142101A CA142101DA CA142101A CA 142101 A CA142101 A CA 142101A CA 000142101 A CA000142101 A CA 000142101A CA 142101D A CA142101D A CA 142101DA CA 142101 A CA142101 A CA 142101A
Authority
CA
Canada
Prior art keywords
door knob
alarm door
alarm
knob
door
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
CA000142101A
Other languages
English (en)
Inventor
Gustave A. Samuels
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA142101A publication Critical patent/CA142101A/fr
Expired legal-status Critical Current

Links

CA000142101A 1912-05-27 1912-05-27 Bouton de porte avertisseur Expired CA142101A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA142101T 1912-05-27

Publications (1)

Publication Number Publication Date
CA142101A true CA142101A (fr) 1912-08-06

Family

ID=45261816

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000142101A Expired CA142101A (fr) 1912-05-27 1912-05-27 Bouton de porte avertisseur

Country Status (1)

Country Link
CA (1) CA142101A (fr)

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