CH272944A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Anti-glare device to be worn in front of the eyes with adjustable, variable light transmission.
Assignee: Hirt Arthur
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Filing: 1949-03-25
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Granted: —
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Expires: 1969-03-25
Abstract
No abstract record available.
Inventors
- 👤 Hirt Arthur
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-08 18:56
CPC Classifications
B; B60; B60J; B60J3/00; B60J3/06; G; G02; G02C; G02C7/00; G02C7/12
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References Cited (Backward Citations)
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