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DE802106C Expired / Lapsed DE ⏱️ 0.0 years remaining

Perpetual calendar

Assignee: Individual
•
Filing: 1949-06-04
•
Granted: 1951-02-01
•
Expires: 1969-06-04
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Abstract

No abstract record available.

Inventors

  • 👤 Eugen Stueber Sen

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-10-31 04:10
CPC Classifications
D; D06; D06F; D06F75/00; D06F75/40; D06F75/08; D06F75/28

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