FR556502A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to escalators
Assignee: Edouard-Louis Hocquart
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Filing: 1922-09-23
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Granted: 1923-07-21
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Expires: 1942-09-23
Abstract
No abstract record available.
Inventors
- 👤 Edouard-Louis Hocquart
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 01:40
CPC Classifications
B; B66; B66B; B66B23/00; B66B23/02; B66B23/04; B66B21/00; B66B21/02; B66B21/04
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