Patent US3509381A successfully refreshed from Google Patents.
FR472856A
Expired / Lapsed
FR
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Improvement to the junction fittings of carbon electrodes
Assignee: FR DES ELECTRODES SOC
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Filing: 1914-05-26
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Granted: 1914-12-22
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Expires: 1934-05-26
Abstract
No abstract record available.
Inventors
- 👤 Tor Hara En Strand
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-24 08:03
CPC Classifications
H; H05; H05B; H05B7/00; H05B7/02; H05B7/14; Y; Y02; Y02P; Y02P10/00; Y02P10/25
Claims Analysis
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References Cited (Backward Citations)
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