Patent CH99514A successfully refreshed from Google Patents.
CH99514A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Drum filter for gaseous media.
Assignee: B Fiechter Louis
•
Filing: 1922-03-13
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Granted: —
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Expires: 1942-03-13
Abstract
No abstract record available.
Inventors
- 👤 B Fiechter Louis
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-07 14:11
CPC Classifications
C; C22; C22B; C22B7/00; C22B7/02; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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