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CA970509A - Push button valve assembly for adjusting the negative pressure of a suction cleaner - Google Patents

Push button valve assembly for adjusting the negative pressure of a suction cleaner

Info

Publication number
CA970509A
CA970509A CA210,144A CA210144A CA970509A CA 970509 A CA970509 A CA 970509A CA 210144 A CA210144 A CA 210144A CA 970509 A CA970509 A CA 970509A
Authority
CA
Canada
Prior art keywords
adjusting
negative pressure
push button
valve assembly
suction 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
Application number
CA210,144A
Other versions
CA210144S (en
Inventor
Samuel E. Hohulin
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.)
White Consolidated Industries Inc
Original Assignee
National Union Electric 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 CA135,297A external-priority patent/CA970507A/en
Application filed by National Union Electric Corp filed Critical National Union Electric Corp
Priority to CA210,144A priority Critical patent/CA970509A/en
Application granted granted Critical
Publication of CA970509A publication Critical patent/CA970509A/en
Expired legal-status Critical Current

Links

CA210,144A 1971-05-28 1974-09-26 Push button valve assembly for adjusting the negative pressure of a suction cleaner Expired CA970509A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA210,144A CA970509A (en) 1971-05-28 1974-09-26 Push button valve assembly for adjusting the negative pressure of a suction cleaner

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14780971A 1971-05-28 1971-05-28
CA135,297A CA970507A (en) 1971-05-28 1972-02-22 Push button valve assembly for adjusting the negative pressure of a suction cleaner
CA210,144A CA970509A (en) 1971-05-28 1974-09-26 Push button valve assembly for adjusting the negative pressure of a suction cleaner

Publications (1)

Publication Number Publication Date
CA970509A true CA970509A (en) 1975-07-08

Family

ID=27161782

Family Applications (1)

Application Number Title Priority Date Filing Date
CA210,144A Expired CA970509A (en) 1971-05-28 1974-09-26 Push button valve assembly for adjusting the negative pressure of a suction cleaner

Country Status (1)

Country Link
CA (1) CA970509A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130327411A1 (en) * 2012-06-11 2013-12-12 Lg Electronics Inc. Refrigerator having air pressure controllable storage container and storage method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130327411A1 (en) * 2012-06-11 2013-12-12 Lg Electronics Inc. Refrigerator having air pressure controllable storage container and storage method thereof
US10018398B2 (en) * 2012-06-11 2018-07-10 Lg Electronics Inc. Refrigerator having air pressure controllable storage container and storage method thereof

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