Patent US5203941A successfully refreshed from Google Patents.
Patent FR775759A successfully refreshed from Google Patents.
FR775759A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Sophisticated louvers, especially for industrial building skylights
Assignee: CIE DES FORGES DE CHATILLON
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Filing: 1934-07-12
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Granted: 1935-01-09
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Expires: 1954-07-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-26 21:51
CPC Classifications
E; E04; E04D; E04D13/00; E04D13/03; E04D13/0325
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