DE840907C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Group table, especially for schools
Assignee: Individual
•
Filing: 1950-08-25
•
Granted: 1952-06-09
•
Expires: 1970-08-25
Abstract
No abstract record available.
Inventors
- 👤 Knud Roscher
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-08 12:00
CPC Classifications
A; A47; A47B; A47B13/00; A47B13/02; A47B13/04; A47B41/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE670437C
Cited
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