CA2490634C - Aspirateur a evacuation automatique - Google Patents

Aspirateur a evacuation automatique Download PDF

Info

Publication number
CA2490634C
CA2490634C CA002490634A CA2490634A CA2490634C CA 2490634 C CA2490634 C CA 2490634C CA 002490634 A CA002490634 A CA 002490634A CA 2490634 A CA2490634 A CA 2490634A CA 2490634 C CA2490634 C CA 2490634C
Authority
CA
Canada
Prior art keywords
pump
assembly
tank
impeller
vacuum cleaner
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 - Lifetime
Application number
CA002490634A
Other languages
English (en)
Other versions
CA2490634A1 (fr
Inventor
Robert C. Berfield
Randy L. Buss
Robert L. Crevling
Craig A. Seasholtz
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.)
Shop Vac Corp
Original Assignee
Shop Vac Corp
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 US08/678,997 external-priority patent/US5850668A/en
Priority claimed from US08/727,318 external-priority patent/US5918344A/en
Priority claimed from US08/802,333 external-priority patent/US5920955A/en
Application filed by Shop Vac Corp filed Critical Shop Vac Corp
Priority claimed from CA002219682A external-priority patent/CA2219682C/fr
Publication of CA2490634A1 publication Critical patent/CA2490634A1/fr
Application granted granted Critical
Publication of CA2490634C publication Critical patent/CA2490634C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Structures Of Non-Positive Displacement Pumps (AREA)
CA002490634A 1996-07-12 1997-07-11 Aspirateur a evacuation automatique Expired - Lifetime CA2490634C (fr)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US08/678,997 US5850668A (en) 1996-07-12 1996-07-12 Self-evacuating vacuum cleaner
US08/678,997 1996-07-12
US08/727,318 US5918344A (en) 1996-07-12 1996-10-08 Self-evacuating vacuum cleaner
US08/727,318 1996-10-08
US08/802,333 1997-02-11
US08/802,333 US5920955A (en) 1996-07-12 1997-02-11 Self-evacuating vacuum cleaner
CA002219682A CA2219682C (fr) 1996-07-12 1997-07-11 Aspirateur a evacuation automatique

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002219682A Division CA2219682C (fr) 1996-07-12 1997-07-11 Aspirateur a evacuation automatique

Publications (2)

Publication Number Publication Date
CA2490634A1 CA2490634A1 (fr) 1998-01-22
CA2490634C true CA2490634C (fr) 2007-09-18

Family

ID=34199026

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002490634A Expired - Lifetime CA2490634C (fr) 1996-07-12 1997-07-11 Aspirateur a evacuation automatique

Country Status (1)

Country Link
CA (1) CA2490634C (fr)

Also Published As

Publication number Publication date
CA2490634A1 (fr) 1998-01-22

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20170711