CH212923A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Control switch for electrical heating devices such as heating pads and the like.
Assignee: Kirchhoff Kraemer Maria
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Filing: 1939-09-20
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Granted: —
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Expires: 1959-09-20
Abstract
No abstract record available.
Inventors
- 👤 Kirchhoff-Kraemer Maria
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-10-31 02:10
CPC Classifications
H; H01; H01H; H01H21/00; H01H21/02; H01H21/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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