Patent FR515347A successfully refreshed from Google Patents.
FR515347A
Expired / Lapsed
FR
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removable folding ladder
Assignee: MICHEL AUGUSTE BALLENGHIEN
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Filing: 1920-05-10
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Granted: 1921-03-31
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Expires: 1940-05-10
Abstract
No abstract record available.
Inventors
- 👤 Michel-Auguste Ballenghien
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 02:41
CPC Classifications
E; E06; E06C; E06C7/00; E06C7/42; E06C7/423; E06C1/00; E06C1/02; E06C1/38; E06C1/383
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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