CA754471A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Method of, and apparatus for manufacturing hollow concrete bodies
Assignee: Dow Mac Concrete Ltd
•
Filing: —
•
Granted: 1967-03-14
•
Expires: 1984-03-14
Abstract
No abstract record available.
Inventors
- 👤 K. Roberts William
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-11-08 05:48
CPC Classifications
B; B28; B28B; B28B23/00; B28B23/02; B28B23/022; B28B23/024
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.