FR918185A - Improvements to dust extractors - Google Patents

Improvements to dust extractors

Info

Publication number: FR918185A
Authority: FR; France
Prior art keywords: dust extractors; extractors; dust
Prior art date: 1944-09-16
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

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.)

Hoover Ltd

Original Assignee

Hoover Ltd

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.)

1944-09-16

Filing date

1945-12-03

Publication date

1947-01-31

1944-09-16 Priority claimed from US554379A external-priority patent/US2517670A/en

1945-12-03 Application filed by Hoover Ltd filed Critical Hoover Ltd

1947-01-31 Application granted granted Critical

1947-01-31 Publication of FR918185A publication Critical patent/FR918185A/en

Status Expired legal-status Critical Current

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
- A47L5/28—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle
- A47L5/32—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle with means for connecting a hose

FR918185D 1944-09-16 1945-12-03 Improvements to dust extractors Expired FR918185A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US554379A US2517670A (en)	1944-09-16	1944-09-16	Converter attachment for suction cleaners
US28475A US2616116A (en)	1944-09-16	1948-05-21	Suction cleaner nozzle adjustment and converter guide

Publications (1)

Publication Number	Publication Date
FR918185A true FR918185A (en)	1947-01-31

Family

ID=26703733

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR918185D Expired FR918185A (en)	1944-09-16	1945-12-03	Improvements to dust extractors

Country Status (4)

Country	Link
US (1)	US2616116A (en)
DE (1)	DE843289C (en)
FR (1)	FR918185A (en)
GB (1)	GB602016A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3676892A (en) *	1970-05-19	1972-07-18	Whirlpool Co	Vacuum cleaner nozzle lifting device
ES2119687B1 (en) *	1996-06-20	1999-05-16	Iberdrola Sa	MOBILE EQUIPMENT FOR GENERATION OF ELECTRIC ENERGY IN DIRECT CURRENT AND ALTERNATE THROUGH SOLAR PHOTOVOLTAIC ENERGY.
DE10305276B4 (en) *	2003-02-07	2013-06-27	Stein & Co Gmbh	Device for floor care appliances
US20060070204A1 (en) *	2004-10-05	2006-04-06	Tacony Corporation	Flow control valve system for an upright vacuum cleaner with a cleaning hose

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2024260A (en) *	1933-12-01	1935-12-17	Hoover Co	Suction cleaner
US2094126A (en) *	1934-04-10	1937-09-28	Hoover Co	Suction cleaner
US2143018A (en) *	1936-12-02	1939-01-10	Hoover Co	Suction cleaner
US2174595A (en) *	1938-02-28	1939-10-03	Hoover Co	Suction cleaner
US2416786A (en) *	1943-05-12	1947-03-04	Hoover Co	Suction cleaner

1945
- 1945-09-17 GB GB23941/45A patent/GB602016A/en not_active Expired
- 1945-12-03 FR FR918185D patent/FR918185A/en not_active Expired
1948
- 1948-05-21 US US28475A patent/US2616116A/en not_active Expired - Lifetime
1950
- 1950-09-15 DE DEH5327A patent/DE843289C/en not_active Expired

Also Published As

Publication number	Publication date
DE843289C (en)	1952-07-07
GB602016A (en)	1948-05-18
US2616116A (en)	1952-11-04

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