Patent FR754922A successfully refreshed from Google Patents.
FR754922A
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Improvements in hatch construction
Assignee: Jean Chalon
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Filing: 1933-04-28
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Granted: 1933-11-16
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Expires: 1953-04-28
Abstract
No abstract record available.
Inventors
- 👤 Jean Chalon
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-08 16:42
CPC Classifications
B; B63; B63B; B63B19/00; B63B19/12; B63B19/22
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