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FR515163A Expired / Lapsed FR ⏱️ 0.0 years remaining

Improvements in compressed air engines by the hydraulic force of the tide

Assignee: Individual
•
Filing: 1920-05-05
•
Granted: 1921-03-25
•
Expires: 1940-05-05
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Abstract

No abstract record available.

Inventors

  • 👤 John Albert Knowlton

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-05 16:00
CPC Classifications
F; F03; F03B; F03B13/00; F03B13/12; F03B13/26; F03B13/266

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