Patent DE697658C successfully refreshed from Google Patents.
DE697658C
Expired / Lapsed
DE
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Closing device for the breathing opening on membrane pressure regulators
Assignee: MAX H WALTER VORM VESTA APP UN
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Filing: 1936-11-21
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Granted: 1940-10-18
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Expires: 1956-11-21
Abstract
No abstract record available.
Inventors
- 👤 Hans Karal
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-28 18:35
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/06; G05D16/063; G05D16/0636
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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