Patent FR823170A successfully refreshed from Google Patents.
FR823170A
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Assignee: Frantisek Hejduk
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Filing: 1937-06-16
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Granted: 1938-01-15
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Expires: 1957-06-16
Abstract
No abstract record available.
Inventors
- 👤 Frantisek Hejduk
- 👤 Jan Neumann
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 18:39
CPC Classifications
B; B01; B01D; B01D39/00; B01D39/14; B01D39/16; B01D39/1669; B01D29/00; B01D29/11; B01D29/13; B01D29/15; B01D29/50; B01D29/52; B01D29/88; B01D29/92; B01D2201/00; B01D2201/04; B01D2201/043; B01D2201/0446; B01D2201/16; B01D2201/165
Claims Analysis
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References Cited (Backward Citations)
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