Patent US4721014A successfully refreshed from Google Patents.
Patent DE453476C successfully refreshed from Google Patents.
DE453476C
Expired / Lapsed
DE
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Insulators for electric steam boilers
Assignee: FELIX SINGER DR
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Filing: 1926-04-22
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Granted: 1927-12-08
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Expires: 1946-04-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-23 14:51
CPC Classifications
F; F22; F22B; F22B1/00; F22B1/28; F22B1/30
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