FR873781A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Method of manufacturing spiral and at the same time helical envelopes or coverings by means of tapes, for wires, conductors, etc.
Assignee: Hermes Patentverwertungs GmbH
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Filing: 1941-07-10
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Granted: 1942-07-20
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Expires: 1961-07-10
Abstract
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Inventors
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-05 23:33
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/06; H01B13/10
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