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Inventia Patent Verwertungs Gesellschaft
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Inventia Patent Verwertungs Gesellschaft
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Application filed by Inventia Patent Verwertungs GesellschaftfiledCriticalInventia Patent Verwertungs Gesellschaft
Application grantedgrantedCritical
Publication of FR737874ApublicationCriticalpatent/FR737874A/en
A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
A47L9/20—Means for cleaning filters
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Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
FR737874D1931-06-031932-05-31 Improvements in the construction of devices for vacuum cleaningExpiredFR737874A (en)