FR341898A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Movable staircase for rescue, or evacuation of the crowd, in theaters and other monuments
Assignee: JEAN DELOBRE
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Filing: 1904-04-09
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Granted: 1904-08-22
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Expires: 1924-04-09
Abstract
No abstract record available.
Inventors
- 👤 Jean Delobre
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 16:29
CPC Classifications
E; E04; E04F; E04F11/00; E04F11/02; E04F11/04
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References Cited (Backward Citations)
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