Patent DE647368C successfully refreshed from Google Patents.
DE647368C
Expired / Lapsed
DE
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Device for backwashing liquid filters
Assignee: OSKAR BRANDES
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Filing: 1935-01-25
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Granted: 1937-07-02
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Expires: 1955-01-25
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-08 07:30
CPC Classifications
B; B01; B01D; B01D24/00; B01D24/02; B01D24/20; B01D24/24; B01D24/46; B01D24/4626; B01D24/4631
Claims Analysis
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References Cited (Backward Citations)
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