CA819397A - Building block - Google Patents

Building block

Info

Publication number
CA819397A
CA819397A CA819397A CA819397DA CA819397A CA 819397 A CA819397 A CA 819397A CA 819397 A CA819397 A CA 819397A CA 819397D A CA819397D A CA 819397DA CA 819397 A CA819397 A CA 819397A
Authority
CA
Canada
Prior art keywords
building block
building
block
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
CA819397A
Inventor
J. Trudeau James
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.)
ALVIN S POWELL
Original Assignee
ALVIN S POWELL
Publication date
Application granted granted Critical
Publication of CA819397A publication Critical patent/CA819397A/en
Expired legal-status Critical Current

Links

CA819397A Building block Expired CA819397A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA819397T

Publications (1)

Publication Number Publication Date
CA819397A true CA819397A (en) 1969-08-05

Family

ID=36291964

Family Applications (1)

Application Number Title Priority Date Filing Date
CA819397A Expired CA819397A (en) Building block

Country Status (1)

Country Link
CA (1) CA819397A (en)

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