CA978655A - Portable electronic calculator - Google Patents

Portable electronic calculator

Info

Publication number
CA978655A
CA978655A CA216,021A CA216021A CA978655A CA 978655 A CA978655 A CA 978655A CA 216021 A CA216021 A CA 216021A CA 978655 A CA978655 A CA 978655A
Authority
CA
Canada
Prior art keywords
portable electronic
electronic calculator
calculator
portable
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
CA216,021A
Other versions
CA216021S (en
Inventor
David S. Cochran
Thomas E. Osborne
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.)
HP Inc
Original Assignee
Hewlett Packard 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
Priority claimed from CA157,572A external-priority patent/CA976659A/en
Application filed by Hewlett Packard Co filed Critical Hewlett Packard Co
Priority to CA216,021A priority Critical patent/CA978655A/en
Application granted granted Critical
Publication of CA978655A publication Critical patent/CA978655A/en
Expired legal-status Critical Current

Links

CA216,021A 1972-05-30 1974-12-13 Portable electronic calculator Expired CA978655A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA216,021A CA978655A (en) 1972-05-30 1974-12-13 Portable electronic calculator

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US25760672A 1972-05-30 1972-05-30
CA157,572A CA976659A (en) 1972-05-30 1972-11-27 Portable electronic calculator
CA216,021A CA978655A (en) 1972-05-30 1974-12-13 Portable electronic calculator

Publications (1)

Publication Number Publication Date
CA978655A true CA978655A (en) 1975-11-25

Family

ID=27162431

Family Applications (1)

Application Number Title Priority Date Filing Date
CA216,021A Expired CA978655A (en) 1972-05-30 1974-12-13 Portable electronic calculator

Country Status (1)

Country Link
CA (1) CA978655A (en)

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