Patent DE815880C successfully refreshed from Google Patents.
DE815880C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Self-sealing compressed air relief valve
Assignee: Individual
•
Filing: 1949-05-05
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Granted: 1951-10-04
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Expires: 1969-05-05
Abstract
No abstract record available.
Inventors
- 👤 Ernst Hartmetz
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-27 19:59
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/44; F16K31/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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