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Patent FR494022A successfully refreshed from Google Patents.
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FR494022A Expired / Lapsed FR ⏱️ 0.0 years remaining

Brush refinements

Assignee: Individual
•
Filing: 1918-12-20
•
Granted: 1919-08-28
•
Expires: 1938-12-20
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Abstract

No abstract record available.

Inventors

  • 👤 Emil Carl Boeckh

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-23 04:35
CPC Classifications
B; B25; B25G; B25G3/00; B25G3/38

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