CA419950A - Roofing shingle - Google Patents

Roofing shingle

Info

Publication number
CA419950A
CA419950A CA419950A CA419950DA CA419950A CA 419950 A CA419950 A CA 419950A CA 419950 A CA419950 A CA 419950A CA 419950D A CA419950D A CA 419950DA CA 419950 A CA419950 A CA 419950A
Authority
CA
Canada
Prior art keywords
roofing shingle
shingle
roofing
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
CA419950A
Other languages
French (fr)
Inventor
B. Humphrey Don
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.)
Canadian Gypsum Co Ltd
United States Gypsum Co
Original Assignee
Canadian Gypsum Co Ltd
United States Gypsum Co
Publication date
Application granted granted Critical
Publication of CA419950A publication Critical patent/CA419950A/en
Expired legal-status Critical Current

Links

CA419950A Roofing shingle Expired CA419950A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA419950T

Publications (1)

Publication Number Publication Date
CA419950A true CA419950A (en) 1944-05-02

Family

ID=35529244

Family Applications (1)

Application Number Title Priority Date Filing Date
CA419950A Expired CA419950A (en) Roofing shingle

Country Status (1)

Country Link
CA (1) CA419950A (en)

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