Patent DE652633C successfully refreshed from Google Patents.
DE652633C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Hatch covers, especially for river boats
Assignee: Individual
•
Filing: 1936-06-26
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Granted: 1937-11-03
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Expires: 1956-06-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-28 09:20
CPC Classifications
B; B63; B63B; B63B19/00; B63B19/12; B63B19/14; B63B19/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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