CA722849A - Asphalt shingle - Google Patents

Asphalt shingle

Info

Publication number
CA722849A
CA722849A CA722849A CA722849DA CA722849A CA 722849 A CA722849 A CA 722849A CA 722849 A CA722849 A CA 722849A CA 722849D A CA722849D A CA 722849DA CA 722849 A CA722849 A CA 722849A
Authority
CA
Canada
Prior art keywords
asphalt shingle
shingle
asphalt
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
CA722849A
Inventor
W. Croop Robert
B. Shepherd Philip
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.)
Johns Manville Corp
Original Assignee
Johns Manville Corp
Publication date
Application granted granted Critical
Publication of CA722849A publication Critical patent/CA722849A/en
Expired legal-status Critical Current

Links

CA722849A Asphalt shingle Expired CA722849A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA722849T

Publications (1)

Publication Number Publication Date
CA722849A true CA722849A (en) 1965-12-07

Family

ID=36058426

Family Applications (1)

Application Number Title Priority Date Filing Date
CA722849A Expired CA722849A (en) Asphalt shingle

Country Status (1)

Country Link
CA (1) CA722849A (en)

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