Patent CH459305A successfully refreshed from Google Patents.
CH459305A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Portable headset and headset, in particular for use when wearing helmets and masks
Assignee: Zellweger Uster Ag
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Filing: 1967-06-19
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Granted: —
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Expires: 1987-06-19
Abstract
No abstract record available.
Inventors
- 👤 Schenk Alfred
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-10-30 18:10
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/02; H04M1/04; H04M1/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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