DE841204C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Face mask
Assignee: Individual
•
Filing: 1950-11-14
•
Granted: 1952-06-13
•
Expires: 1970-11-14
Abstract
No abstract record available.
Inventors
- 👤 Adolf Hoffmann
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-05 05:00
CPC Classifications
A; A61; A61F; A61F9/00; A61F9/04; A61F9/06; A61F9/061
Claims Analysis
Total Claims: 0
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