DE701586C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Method and device for producing envelopes with tear threads
Assignee: OVERZEESCHE HANDELMIJ ESPERANT
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Filing: 1939-03-02
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Granted: 1941-01-20
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Expires: 1959-03-02
Abstract
No abstract record available.
Inventors
- 👤 Joseph Johannes Strotmann
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-04 06:58
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/74; B31B70/81; B31B70/812; B31B2150/00; B31B2160/00; B31B2160/10; B31B2160/104; B31B70/813; B31B70/8134
Claims Analysis
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References Cited (Backward Citations)
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