CA977926A - Roof construction - Google Patents
Roof constructionInfo
- Publication number
- CA977926A CA977926A CA217,557A CA217557A CA977926A CA 977926 A CA977926 A CA 977926A CA 217557 A CA217557 A CA 217557A CA 977926 A CA977926 A CA 977926A
- Authority
- CA
- Canada
- Prior art keywords
- roof construction
- roof
- construction
- 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
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA217,557A CA977926A (en) | 1971-04-12 | 1975-01-08 | Roof construction |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13319871A | 1971-04-12 | 1971-04-12 | |
CA138,855A CA968111A (en) | 1971-04-12 | 1972-04-04 | Roof construction |
CA217,557A CA977926A (en) | 1971-04-12 | 1975-01-08 | Roof construction |
Publications (1)
Publication Number | Publication Date |
---|---|
CA977926A true CA977926A (en) | 1975-11-18 |
Family
ID=27161898
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA217,557A Expired CA977926A (en) | 1971-04-12 | 1975-01-08 | Roof construction |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA977926A (en) |
-
1975
- 1975-01-08 CA CA217,557A patent/CA977926A/en not_active Expired
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