Patent DE619699C successfully refreshed from Google Patents.
DE619699C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Device for surface hardening of workpieces
Assignee: IG Farbenindustrie AG
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Filing: 1933-10-08
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Granted: 1935-10-11
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Expires: 1953-10-08
Abstract
No abstract record available.
Inventors
- 👤 Dr-Ing Hermann Holler
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-02 13:04
CPC Classifications
C; C21; C21D; C21D1/00; C21D1/06; C21D1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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