Patent US6794977B2 successfully refreshed from Google Patents.
Patent DE533045C successfully refreshed from Google Patents.
DE533045C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Water-permeable playground ceiling, especially for tennis courts
Assignee: JOHANNES GERARDUS VOS
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Filing: 1929-03-27
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Granted: 1931-09-12
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Expires: 1949-03-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-07 19:43
CPC Classifications
E; E01; E01C; E01C13/00; E01C13/06
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