Patent US2721871A successfully refreshed from Google Patents.
Patent FR868459A successfully refreshed from Google Patents.
FR868459A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Spark plug
Assignee: Robert Bosch GmbH
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Filing: 1940-12-27
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Granted: 1941-12-31
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Expires: 1960-12-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-26 15:25
CPC Classifications
H; H01; H01T; H01T13/00; H01T13/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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