FR41759E
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements in the manufacture of artificial materials obtained by spinning
Assignee: Henry Dreyfus
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Filing: 1932-04-28
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Granted: 1933-04-13
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Expires: 1952-04-28
Abstract
No abstract record available.
Inventors
- 👤 Henry Dreyfus
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-05 16:11
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/06; D01F; D01F2/00; D01F2/24; D01F2/28
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