DE808934C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Pipe ventilator with valve closure through float body
Assignee: Weichbrodt & Friedrich
•
Filing: 1950-04-09
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Granted: 1951-07-19
•
Expires: 1970-04-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-04 02:39
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/02; E03C1/10; E03C1/102; E03C1/108
Claims Analysis
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References Cited (Backward Citations)
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