Patent DE523266C successfully refreshed from Google Patents.
DE523266C
Expired / Lapsed
DE
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Card file with cards hung on the support frame with undercut slots
Assignee: Individual
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Filing: —
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Granted: 1931-04-22
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Expires: 1948-04-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-09 05:01
CPC Classifications
B; B42; B42F; B42F15/00; B42F15/007; B42F15/0082; B42F15/0094
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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