CA946979A - Electronic calculator - Google Patents

Electronic calculator

Info

Publication number
CA946979A
CA946979A CA141,991A CA141991A CA946979A CA 946979 A CA946979 A CA 946979A CA 141991 A CA141991 A CA 141991A CA 946979 A CA946979 A CA 946979A
Authority
CA
Canada
Prior art keywords
electronic calculator
calculator
electronic
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
CA141,991A
Other versions
CA141991S (en
Inventor
Robert A. Ragen
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.)
Singer Co
Original Assignee
Singer Co
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 Singer Co filed Critical Singer Co
Priority to CA141,991A priority Critical patent/CA946979A/en
Application granted granted Critical
Publication of CA946979A publication Critical patent/CA946979A/en
Expired legal-status Critical Current

Links

CA141,991A 1963-10-29 1972-05-12 Electronic calculator Expired CA946979A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA141,991A CA946979A (en) 1963-10-29 1972-05-12 Electronic calculator

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US31970463A 1963-10-29 1963-10-29
CA914717 1964-10-23
US77966668A 1968-11-29 1968-11-29
US10076170A 1970-12-22 1970-12-22
CA141,991A CA946979A (en) 1963-10-29 1972-05-12 Electronic calculator

Publications (1)

Publication Number Publication Date
CA946979A true CA946979A (en) 1974-05-07

Family

ID=27507983

Family Applications (1)

Application Number Title Priority Date Filing Date
CA141,991A Expired CA946979A (en) 1963-10-29 1972-05-12 Electronic calculator

Country Status (1)

Country Link
CA (1) CA946979A (en)

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