CA150188A - Sound indicator - Google Patents

Sound indicator

Info

Publication number
CA150188A
CA150188A CA000150188A CA150188DA CA150188A CA 150188 A CA150188 A CA 150188A CA 000150188 A CA000150188 A CA 000150188A CA 150188D A CA150188D A CA 150188DA CA 150188 A CA150188 A CA 150188A
Authority
CA
Canada
Prior art keywords
sound indicator
indicator
sound
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
CA000150188A
Other languages
French (fr)
Inventor
William Hodgkinson
Thomas Gerald Hodgkinson
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 CA150188A publication Critical patent/CA150188A/en
Expired legal-status Critical Current

Links

CA000150188A 1912-10-21 1912-10-21 Sound indicator Expired CA150188A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA150188T 1912-10-21

Publications (1)

Publication Number Publication Date
CA150188A true CA150188A (en) 1913-09-02

Family

ID=45269902

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000150188A Expired CA150188A (en) 1912-10-21 1912-10-21 Sound indicator

Country Status (1)

Country Link
CA (1) CA150188A (en)

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