FR846644A - Improvements made to dust vacuum cleaners - Google Patents

Improvements made to dust vacuum cleaners

Info

Publication number
FR846644A
FR846644A FR846644DA FR846644A FR 846644 A FR846644 A FR 846644A FR 846644D A FR846644D A FR 846644DA FR 846644 A FR846644 A FR 846644A
Authority
FR
France
Prior art keywords
improvements made
vacuum cleaners
dust vacuum
dust
cleaners
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)
Inventor
Lehmkuhl
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
Application filed filed Critical
Application granted granted Critical
Publication of FR846644A publication Critical patent/FR846644A/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
FR846644D 1937-11-27 1938-11-26 Improvements made to dust vacuum cleaners Expired FR846644A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO207074X 1937-11-27
NO60738X 1938-07-06

Publications (1)

Publication Number Publication Date
FR846644A true FR846644A (en) 1939-09-21

Family

ID=26647557

Family Applications (1)

Application Number Title Priority Date Filing Date
FR846644D Expired FR846644A (en) 1937-11-27 1938-11-26 Improvements made to dust vacuum cleaners

Country Status (4)

Country Link
BE (1) BE431318A (en)
CH (1) CH207074A (en)
DE (1) DE701338C (en)
FR (1) FR846644A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI71660C (en) * 1983-12-16 1990-11-11 Martti Ilmari Ollila SUGARE.

Also Published As

Publication number Publication date
BE431318A (en)
CH207074A (en) 1939-09-30
DE701338C (en) 1941-01-14

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