Patent US6437771B1 successfully refreshed from Google Patents.
FR892525A
Expired / Lapsed
FR
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Stretchable and compressible metal membrane
Assignee: Marcel Richard
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Filing: 1942-12-02
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Granted: 1944-04-11
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Expires: 1962-12-02
Abstract
No abstract record available.
Inventors
- 👤 Marcel Richard
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-30 00:39
CPC Classifications
F; F16; F16J; F16J3/00; F16J3/04; F16J3/047
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