Patent DE705000C successfully refreshed from Google Patents.
DE705000C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Tapping for high frequency induction furnaces
Assignee: Siemens and Halske AG
•
Filing: 1939-03-19
•
Granted: 1941-04-15
•
Expires: 1959-03-19
Abstract
No abstract record available.
Inventors
- 👤 Dipl-Ing Karl Boer
- 👤 Dipl-Ing Reinhold Gross
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-10 02:01
CPC Classifications
F; F27; F27D; F27D3/00; F27D3/14
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.