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Patent DE670171C successfully refreshed from Google Patents.
DE670171C
Expired / Lapsed
DE
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Device for cutting out the window for envelopes
Assignee: IRIS MASCHB GES F G POPPENBUER
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Filing: 1936-05-16
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Granted: 1939-01-13
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Expires: 1956-05-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-03 17:47
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/38; B26F1/384; B26D; B26D7/00; B26D7/26; B26D2007/2692; B31; B31B; B31B50/00; B31B50/74; B31B50/81; B31B50/82; B31B50/83
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