Patent DE677986C successfully refreshed from Google Patents.
DE677986C
Expired / Lapsed
DE
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Frame for filling doors and method of manufacture
Assignee: EICHSFELDER SPERRHOLZWERK HERM
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Filing: 1937-02-23
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Granted: 1939-07-06
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Expires: 1957-02-23
Abstract
No abstract record available.
Inventors
- 👤 Hermann Becher
- 👤 Karl Pflueger
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-07 15:02
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/70; E06B3/82; E06B3/822; E06B3/825; E06B3/7015; E06B2003/7021; E06B2003/7059; E06B2003/7061; E06B2003/7071; E06B2003/7092; E06B3/7017
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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