DE677922C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Hollow block
Assignee: KARL A JOHNER
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Filing: 1936-11-15
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Granted: 1939-07-05
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Expires: 1956-11-15
Abstract
No abstract record available.
Inventors
- 👤 Karl A Johner
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-25 22:52
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/02; E04B2/42; E04B2/44; E04B2/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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