DE703339C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Gas burners, in particular for preheating and welding pipes
Assignee: NEUNKIRCHER EISENWERK A G VORM
•
Filing: 1938-06-24
•
Granted: 1941-03-06
•
Expires: 1958-06-24
Abstract
No abstract record available.
Inventors
- 👤 Peter Horbach
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-06 08:45
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/46; F23D14/48; F23D14/52; F23D14/54
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.