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DE838253C Expired / Lapsed DE ⏱️ 0.0 years remaining

Propeller for propulsion of ships with a ring penetrating the blades

Assignee: Individual
•
Filing: 1951-01-23
•
Granted: 1952-05-05
•
Expires: 1971-01-23
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Abstract

No abstract record available.

Inventors

  • 👤 Luebbe Schnitger

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-11-06 13:44
CPC Classifications
B; B63; B63H; B63H1/00; B63H1/02; B63H1/12; B63H1/14; B63H1/16

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