DE390795C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the production of synthetic gemstones
Assignee: Individual
•
Filing: 1923-02-04
•
Granted: 1924-02-23
•
Expires: 1943-02-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-26 19:31
CPC Classifications
C; C30; C30B; C30B11/00; C30B11/04; C30B11/08; C30B11/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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