CA477946A - Educational construction units - Google Patents
Educational construction unitsInfo
- Publication number
- CA477946A CA477946A CA477946A CA477946DA CA477946A CA 477946 A CA477946 A CA 477946A CA 477946 A CA477946 A CA 477946A CA 477946D A CA477946D A CA 477946DA CA 477946 A CA477946 A CA 477946A
- Authority
- CA
- Canada
- Prior art keywords
- construction units
- educational construction
- educational
- units
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA477946T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA477946A true CA477946A (en) | 1951-10-23 |
Family
ID=35617596
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA477946A Expired CA477946A (en) | Educational construction units |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA477946A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3073633A (en) * | 1958-05-21 | 1963-01-15 | Jeffs Jeffrey William | Screw couplings |
US3094789A (en) * | 1961-12-15 | 1963-06-25 | Stephen D Pirko | Plumbing training aid |
US3243764A (en) * | 1964-04-02 | 1966-03-29 | Eugene W Mcgrane | Electrical connector |
US3392994A (en) * | 1966-06-16 | 1968-07-16 | Bonney Forge & Foundry Inc | Connector means for pressure pipelines |
US3632147A (en) * | 1970-04-02 | 1972-01-04 | Julie Finger | Modular frame structure and connector |
US4027449A (en) * | 1973-01-30 | 1977-06-07 | Alcalde Cilveti Francisco Javi | System for constructing spatial structures |
US4566246A (en) * | 1984-06-11 | 1986-01-28 | Sanger George F | Modular structure assemblies |
US5632129A (en) * | 1994-07-14 | 1997-05-27 | Kawatetsu Kenzai Kabushiki Kaisha | Joint device for joining pretensioned brace member to connector nodes in space truss structure |
-
0
- CA CA477946A patent/CA477946A/en not_active Expired
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3073633A (en) * | 1958-05-21 | 1963-01-15 | Jeffs Jeffrey William | Screw couplings |
US3094789A (en) * | 1961-12-15 | 1963-06-25 | Stephen D Pirko | Plumbing training aid |
US3243764A (en) * | 1964-04-02 | 1966-03-29 | Eugene W Mcgrane | Electrical connector |
US3392994A (en) * | 1966-06-16 | 1968-07-16 | Bonney Forge & Foundry Inc | Connector means for pressure pipelines |
US3632147A (en) * | 1970-04-02 | 1972-01-04 | Julie Finger | Modular frame structure and connector |
US4027449A (en) * | 1973-01-30 | 1977-06-07 | Alcalde Cilveti Francisco Javi | System for constructing spatial structures |
US4566246A (en) * | 1984-06-11 | 1986-01-28 | Sanger George F | Modular structure assemblies |
US5632129A (en) * | 1994-07-14 | 1997-05-27 | Kawatetsu Kenzai Kabushiki Kaisha | Joint device for joining pretensioned brace member to connector nodes in space truss structure |
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