Patent DE429170C successfully refreshed from Google Patents.
DE429170C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
For the production of artificial gemstones from molten aluminum oxide u. Like. Serving support pin for the melting bead
Assignee: Siemens Schuckertwerke AG
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Filing: —
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Granted: 1926-05-20
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Expires: 1943-05-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-28 17:49
CPC Classifications
C; C30; C30B; C30B11/00; C30B11/04; C30B11/08; C30B11/10
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