CA121731A - Lock-out telephone system - Google Patents

Lock-out telephone system

Info

Publication number
CA121731A
CA121731A CA000121731A CA121731DA CA121731A CA 121731 A CA121731 A CA 121731A CA 000121731 A CA000121731 A CA 000121731A CA 121731D A CA121731D A CA 121731DA CA 121731 A CA121731 A CA 121731A
Authority
CA
Canada
Prior art keywords
lock
telephone system
out telephone
telephone
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
CA000121731A
Other languages
French (fr)
Inventor
William W. Hill
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 CA121731A publication Critical patent/CA121731A/en
Expired legal-status Critical Current

Links

CA000121731A 1908-06-11 1908-06-11 Lock-out telephone system Expired CA121731A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA121731T 1908-06-11

Publications (1)

Publication Number Publication Date
CA121731A true CA121731A (en) 1909-11-09

Family

ID=45241455

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000121731A Expired CA121731A (en) 1908-06-11 1908-06-11 Lock-out telephone system

Country Status (1)

Country Link
CA (1) CA121731A (en)

Similar Documents

Publication Publication Date Title
CA121731A (en) Lock-out telephone system
CA112660A (en) Telephone system
CA123259A (en) Telephone system
CA113400A (en) Telephone relay
CA121122A (en) Telephone
CA114737A (en) Wireless telephone system
CA115582A (en) Excavator
CA113167A (en) Telephone mechanism
CA114946A (en) Telephone system for fire hose
AU1103008A (en) Party-line telephones
CA115129A (en) Telephone switch
CA114902A (en) Relay
CA117393A (en) Mono-telephone relay
CA124981A (en) Relay
CA114903A (en) Relay
CA117250A (en) Telephone cabinet
CA123258A (en) Telephone apparatus
CA142661A (en) Telephone apparatus
CA116507A (en) Telephone transmitter
CA121343A (en) Telephone transmitter
CA142647A (en) Telephone transmitter
CA113835A (en) Taximeter
CA113482A (en) Show case
CA111959A (en) Dehorner
CA125708A (en) Radio-telegraphy