Patent US2901349A successfully refreshed from Google Patents.
CH370256A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Objective consisting of four airspace-separated lenses
Assignee: Fisba Optische Praezisions Ins
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Filing: 1959-05-21
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Granted: —
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Expires: 1979-05-21
Abstract
No abstract record available.
Inventors
- 👤 Strietzel Waldemar
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-10-24 14:46
CPC Classifications
G; G02; G02B; G02B13/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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