CA457958A - Interlocking device - Google Patents

Interlocking device

Info

Publication number
CA457958A
CA457958A CA457958A CA457958DA CA457958A CA 457958 A CA457958 A CA 457958A CA 457958 A CA457958 A CA 457958A CA 457958D A CA457958D A CA 457958DA CA 457958 A CA457958 A CA 457958A
Authority
CA
Canada
Prior art keywords
interlocking device
interlocking
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
CA457958A
Other languages
French (fr)
Inventor
G. Keyes George
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.)
AT&T Teletype Corp
Original Assignee
Teletype Corp
Publication date
Application granted granted Critical
Publication of CA457958A publication Critical patent/CA457958A/en
Expired legal-status Critical Current

Links

CA457958A Interlocking device Expired CA457958A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA457958T

Publications (1)

Publication Number Publication Date
CA457958A true CA457958A (en) 1949-07-05

Family

ID=35575842

Family Applications (1)

Application Number Title Priority Date Filing Date
CA457958A Expired CA457958A (en) Interlocking device

Country Status (1)

Country Link
CA (1) CA457958A (en)

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