Patent DE742463C successfully refreshed from Google Patents.
DE742463C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Layer for changing the reflectivity from a plurality of alternately superimposed partial layers made of two substances with different refractive indices
Assignee: Schott AG
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Filing: 1942-07-15
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Granted: 1944-01-18
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Expires: 1962-07-15
Abstract
No abstract record available.
Inventors
- 👤 Dr Walter Geffcken
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-05 15:51
CPC Classifications
G; G02; G02B; G02B1/00; G02B1/10; G02B1/11; G02B1/113; G02B1/115
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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