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|(12) Patent:||(11) CA 229759|
|(21) Application Number:||229759|
|(54) English Title:||NUMBER DIAL FOR TELEPHONE SYSTEMS|
|(54) French Title:||CADRAN DE SYSTEME TELEPHONIQUE|
|(52) Canadian Patent Classification (CPC):||
|(51) International Patent Classification (IPC):||
|(72) Inventors :||
|(73) Owners :||
|(71) Applicants :|
|(74) Associate agent:|
|(22) Filed Date:|
|Availability of licence:||N/A|
|(25) Language of filing:||English|
|Patent Cooperation Treaty (PCT):||No|
|(30) Application Priority Data:||None|
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Note: Descriptions are shown in the official language in which they were submitted.
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|Forecasted Issue Date||1923-03-27|
There is no abandonment history.
Note: Records showing the ownership history in alphabetical order.
|Current Owners on Record|
|EARL ALEXANDER PETITHORY|
|JOHN EDWARD COLLYER PLUMSTEAD|
|Past Owners on Record|