FR623609A - Improvements in dust extractors - Google Patents

Improvements in dust extractors

Info

Publication number
FR623609A
FR623609A FR623609DA FR623609A FR 623609 A FR623609 A FR 623609A FR 623609D A FR623609D A FR 623609DA FR 623609 A FR623609 A FR 623609A
Authority
FR
France
Prior art keywords
dust extractors
extractors
dust
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Inventia Patent Verwertungs Gesellschaft
Original Assignee
Inventia Patent Verwertungs Gesellschaft
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US116123A external-priority patent/US1757239A/en
Application filed by Inventia Patent Verwertungs Gesellschaft filed Critical Inventia Patent Verwertungs Gesellschaft
Application granted granted Critical
Publication of FR623609A publication Critical patent/FR623609A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/36—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back
    • A47L5/362—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back of the horizontal type, e.g. canister or sledge type
FR623609D 1925-12-16 1926-10-23 Improvements in dust extractors Expired FR623609A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE263148X 1925-12-16
US116123A US1757239A (en) 1925-12-16 1926-06-15 Cleaning and air-conditioning apparatus
US156464A US1757240A (en) 1925-12-16 1926-12-22 Coupling for cleaners

Publications (1)

Publication Number Publication Date
FR623609A true FR623609A (en) 1927-06-28

Family

ID=27354953

Family Applications (1)

Application Number Title Priority Date Filing Date
FR623609D Expired FR623609A (en) 1925-12-16 1926-10-23 Improvements in dust extractors

Country Status (6)

Country Link
US (1) US1757240A (en)
BE (1) BE337446A (en)
DE (1) DE473469C (en)
FR (1) FR623609A (en)
GB (1) GB263148A (en)
NL (1) NL20784C (en)

Also Published As

Publication number Publication date
DE473469C (en) 1929-03-16
BE337446A (en)
NL20784C (en)
US1757240A (en) 1930-05-06
GB263148A (en) 1927-12-08

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