CA1017859A - Security access medium - Google Patents

Security access medium

Info

Publication number
CA1017859A
CA1017859A CA261,847A CA261847A CA1017859A CA 1017859 A CA1017859 A CA 1017859A CA 261847 A CA261847 A CA 261847A CA 1017859 A CA1017859 A CA 1017859A
Authority
CA
Canada
Prior art keywords
security access
access medium
medium
security
access
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
CA261,847A
Other languages
French (fr)
Inventor
David Provan
Christopher Rainey
Robert Black
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.)
Unisys Corp
Original Assignee
Burroughs Corp
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 GB4761671A external-priority patent/GB1392038A/en
Priority claimed from CA152,907A external-priority patent/CA1003105A/en
Priority claimed from GB4761672A external-priority patent/GB1412769A/en
Application filed by Burroughs Corp filed Critical Burroughs Corp
Priority to CA261,847A priority Critical patent/CA1017859A/en
Application granted granted Critical
Publication of CA1017859A publication Critical patent/CA1017859A/en
Expired legal-status Critical Current

Links

CA261,847A 1971-10-13 1976-09-23 Security access medium Expired CA1017859A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA261,847A CA1017859A (en) 1971-10-13 1976-09-23 Security access medium

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB4761671A GB1392038A (en) 1971-10-13 1971-10-13 Record media
CA152,907A CA1003105A (en) 1971-10-13 1972-09-29 Security access medium
GB4761672A GB1412769A (en) 1971-10-22 1972-10-16 Metal-plated images
CA261,847A CA1017859A (en) 1971-10-13 1976-09-23 Security access medium

Publications (1)

Publication Number Publication Date
CA1017859A true CA1017859A (en) 1977-09-20

Family

ID=27425632

Family Applications (1)

Application Number Title Priority Date Filing Date
CA261,847A Expired CA1017859A (en) 1971-10-13 1976-09-23 Security access medium

Country Status (1)

Country Link
CA (1) CA1017859A (en)

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