US Patent 7255408 Vacuum booster
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Patent abstract
A vacuum booster which moderates a retraction speed of a valve seat member to restrain a contact noise between a key member retracting in a unitary manner with the valve seat member and a flange surface of a plunger. The vacuum booster includes a noise restriction device.
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US Patent 07255408 Vacuum booster US Patent 7255408 Vacuum booster
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Patent Number
0725540800
Patent Number
725540800
Edits on 22 May, 2023
Golden AI
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Official Website
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Infobox
Is a
Patent Jurisdiction
Patent Number
072554080
Date of Patent
August 14, 2007
0Patent Application Number
112581460
Date Filed
October 26, 2005
0Official Website
Patent Primary Examiner
Edits on 27 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
072554080
Date of Patent
August 14, 2007
0Patent Application Number
112581460
Date Filed
October 26, 2005
0Official Website
Patent Primary Examiner
Edits on 16 Jun, 2022
Golden AI
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US Patent 07255408 Vacuum booster
Infobox
Is a
Patent jurisdiction
Patent number
07255408
Date of patent
August 14, 2007
Patent application number
11258146
Date Filed
October 26, 2005
Patent primary examiner
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