CA874180A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Composite open web joist
Assignee: Hambro Structural Systems Ltd
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Filing: 1968-11-04
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Granted: 1971-06-29
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Expires: 1988-11-04
Abstract
No abstract record available.
Inventors
- 👤 Ernest O. Butts
- 👤 John S. Hall
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-11-08 12:20
CPC Classifications
E; E04; E04C; E04C3/00; E04C3/02; E04C3/04; E04C3/06; E04C3/065; E04B; E04B5/00; E04B5/16; E04B5/32; E04C3/08; E04C3/09; E04G; E04G11/00; E04G11/36; E04G11/40; E04G11/42; E04G17/00; E04G17/18; E04C2003/0404; E04C2003/0408; E04C2003/0413; E04C2003/0421; E04C2003/0426; E04C2003/043; E04C2003/0434; E04C2003/0439; E04C2003/0443; E04C2003/0452; E04C2003/0486; E04C2003/0491
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
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