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Patent FR454542A successfully refreshed from Google Patents.
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FR454542A Expired / Lapsed FR ⏱️ 0.0 years remaining

Improvements to sealing means of engine pistons

Assignee: ALFRED ERNEST LEON SECQUEVILLE
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Filing: 1912-04-29
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Granted: 1913-07-07
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Expires: 1932-04-29
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Abstract

No abstract record available.

Inventors

  • 👤 Alfred-Ernest-Leon Secqueville
  • 👤 Gaston-Victor Hoyau

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-27 23:11
CPC Classifications
F; F02; F02F; F02F3/00; F02F3/28

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