FR858745A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Process for obtaining rubber, spongy, or cellular or porous
Assignee: Francois Chassaing
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Filing: 1939-05-03
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Granted: 1940-12-02
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Expires: 1959-05-03
Abstract
No abstract record available.
Inventors
- 👤 Francois Chassaing
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-25 11:49
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/02; B29C44/10; B29K; B29K2105/00; B29K2105/04
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