DE600889C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Method and device for inserting a tear thread into envelopes
Assignee: ANTON SCHUNK
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Filing: 1932-05-03
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Granted: 1934-08-02
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Expires: 1952-05-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-04 16:26
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/74; B31B70/81; B31B70/813; B31B70/8134; B31B70/8135; B31B2150/00; B31B2160/00; B31B2160/10; B31B2160/104
Claims Analysis
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References Cited (Backward Citations)
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