CH303350A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Electrode holder for arc welding under gas protection.
Assignee: Union Carbide & Carbon Corp
•
Filing: 1952-10-25
•
Granted: —
•
Expires: 1972-10-25
Abstract
No abstract record available.
Inventors
- 👤 Corporation Union Carbi Carbon
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-06 16:14
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/24; B23K9/28; B23K9/29; B23K9/291
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.