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FR350946A - Appareil de nettoyage domestique - Google Patents

Appareil de nettoyage domestique

Info

Publication number
FR350946A
FR350946A FR350946DA FR350946A FR 350946 A FR350946 A FR 350946A FR 350946D A FR350946D A FR 350946DA FR 350946 A FR350946 A FR 350946A
Authority
FR
France
Prior art keywords
cleaning device
household cleaning
household
cleaning
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
English (en)
Inventor
George Clements
James Melven Hostler
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.)
Individual
Original Assignee
Individual
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 by Individual filed Critical Individual
Application granted granted Critical
Publication of FR350946A publication Critical patent/FR350946A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
    • 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
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/18—Liquid filters
    • A47L9/183—Spray cleaning
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02007—Details of bulk acoustic wave devices
    • H03H9/02062—Details relating to the vibration mode
    • H03H9/0207—Details relating to the vibration mode the vibration mode being harmonic

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
FR350946D 1904-01-23 1905-01-23 Appareil de nettoyage domestique Expired FR350946A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US350946XA 1929-10-15 1929-10-15

Publications (1)

Publication Number Publication Date
FR350946A true FR350946A (fr) 1905-06-29

Family

ID=21880604

Family Applications (1)

Application Number Title Priority Date Filing Date
FR350946D Expired FR350946A (fr) 1904-01-23 1905-01-23 Appareil de nettoyage domestique

Country Status (2)

Country Link
FR (1) FR350946A (fr)
GB (1) GB350946A (fr)

Also Published As

Publication number Publication date
GB350946A (en) 1931-06-17

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