FR815433A
Expired / Lapsed
FR
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Improvements made to tubular metal ladders
Assignee: Riffaud Raymond
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Filing: 1936-03-23
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Granted: 1937-07-12
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Expires: 1956-03-23
Abstract
No abstract record available.
Inventors
- 👤 Riffaud Raymond
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-28 04:03
CPC Classifications
E; E06; E06C; E06C7/00; E06C7/08; E06C7/082; E06C7/083; E06C7/087
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