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FR566722A Expired / Lapsed FR ⏱️ 0.0 years remaining

Adjustable perpetual calendar

Assignee: Israel Gilsker
•
Filing: 1922-12-16
•
Granted: 1924-02-19
•
Expires: 1942-12-16
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Abstract

No abstract record available.

Inventors

  • 👤 Israel Gilsker

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-03 05:14
CPC Classifications
G; G09; G09D; G09D3/00; G09D3/02

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