Patent US4967178A successfully refreshed from Google Patents.
Patent US4125855A successfully refreshed from Google Patents.
Patent CA600762A successfully refreshed from Google Patents.
CA600762A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Production of metal articles with holes in them
Assignee: Vale Canada Ltd
•
Filing: —
•
Granted: 1960-06-28
•
Expires: 1977-06-28
Abstract
No abstract record available.
Inventors
- 👤 Keegan Barclay
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-10-26 14:00
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.