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Patent DE522507C successfully refreshed from Google Patents.
DE522507C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Metal frames for windows and glass doors, especially for showcases
Assignee: ALEX HERMAN
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Filing: —
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Granted: 1931-04-10
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Expires: 1948-04-10
Abstract
No abstract record available.
Inventors
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Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-10 01:51
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/54; E06B3/5454; E06B2003/5472
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