CH554248A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
DEVICE FOR WRITING AND HUMIDIFYING, IN PARTICULAR FOR LETTER WRITING AND HUMIDIFYING AN ENVIRONMENT TO BE LOCKED.
Assignee: Riddle Ruth E
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Filing: 1973-09-03
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Granted: —
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Expires: 1993-09-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-10-24 06:03
CPC Classifications
B; B43; B43K; B43K5/00; B43K5/18; B43K5/1818; B43K5/1827; B43K5/1836; B43K5/1845; B43K29/00; B43M; B43M11/00; B43M11/06; B43M11/08
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