Patent CA565056A successfully refreshed from Google Patents.
CA565056A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Tube piercing machine
Assignee: Koppy Tool and Die Co
•
Filing: —
•
Granted: 1958-10-21
•
Expires: 1975-10-21
Abstract
No abstract record available.
Inventors
- 👤 J. Degain William
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-11-05 17:17
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/24; B21D28/28; B26; B26F; B26F1/00; B26F1/0015; Y; Y10; Y10T; Y10T83/00; Y10T83/384; Y10T83/387; Y10T83/395
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.