Patent CH292940A successfully refreshed from Google Patents.
CH292940A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Welding shield.
Assignee: Frueh Jun Jakob
•
Filing: 1951-08-30
•
Granted: —
•
Expires: 1971-08-30
Abstract
No abstract record available.
Inventors
- 👤 Frueh Jun Jakob
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-04 15:04
CPC Classifications
A; A61; A61F; A61F9/00; A61F9/04; A61F9/06; A61F9/061
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.