CA515243A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Gas hood for casting machines
Assignee: Vale Canada Ltd
•
Filing: —
•
Granted: 1955-08-02
•
Expires: 1972-08-02
Abstract
No abstract record available.
Inventors
- 👤 H. Waddington Ralph
- 👤 G. Welblund Albert
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-10-26 11:54
CPC Classifications
—
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.