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公开(公告)号:US2895551A
公开(公告)日:1959-07-21
申请号:US32713252
申请日:1952-12-20
Applicant: ELECTROLUX CORP
Inventor: EMIL ANDERSON , KOWALEWSKI JOHN J
IPC: B31D1/00
CPC classification number: B31D1/0018 , Y10S55/05 , Y10T83/4734 , Y10T83/4769 , Y10T83/4824 , Y10T83/4838 , Y10T83/4844 , Y10T156/1056 , Y10T156/1309
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公开(公告)号:US3266078A
公开(公告)日:1966-08-16
申请号:US35717464
申请日:1964-04-03
Applicant: ELECTROLUX CORP
Inventor: BROWN RAYMOND L , KOWALEWSKI JOHN J
CPC classification number: A47L9/0411 , A47L5/30 , A47L9/0444 , A47L9/2847 , A47L9/2889 , A47L11/20 , A47L11/4041 , A47L11/4044 , A47L11/4069 , A47L11/4094 , F16H7/18 , Y10T477/30
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公开(公告)号:US2883696A
公开(公告)日:1959-04-28
申请号:US49512155
申请日:1955-03-18
Applicant: ELECTROLUX CORP
Inventor: KOWALEWSKI JOHN J
IPC: A47L9/06
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公开(公告)号:US3387319A
公开(公告)日:1968-06-11
申请号:US46763465
申请日:1965-06-28
Applicant: ELECTROLUX CORP
Inventor: FERRARIS JOHN T , KOWALEWSKI JOHN J
IPC: A47L9/24
CPC classification number: A47L9/246
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公开(公告)号:US3249909A
公开(公告)日:1966-05-03
申请号:US32395663
申请日:1963-11-15
Applicant: ELECTROLUX CORP
Inventor: KOWALEWSKI JOHN J
IPC: H01R13/58
CPC classification number: H01R13/5833
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公开(公告)号:US2967314A
公开(公告)日:1961-01-10
申请号:US63739657
申请日:1957-01-31
Applicant: ELECTROLUX CORP
Inventor: KOWALEWSKI JOHN J
IPC: A47L11/206 , B24B23/02
CPC classification number: A47L11/40 , A47L11/2065 , A47L11/4038 , A47L11/4058 , A47L11/4069 , A47L11/4094 , B24B23/026
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7.Mechanism in the cover of a vacuum cleaner for rendering the cleaner inoperative if no bag is in place 失效
Title translation: 如果没有袋子,真空吸尘器的盖子的机构使得清洁剂不起作用公开(公告)号:US2860725A
公开(公告)日:1958-11-18
申请号:US62508756
申请日:1956-11-29
Applicant: ELECTROLUX CORP
Inventor: CAWL ALLEN P , KOWALEWSKI JOHN J
CPC classification number: A47L9/1472 , A47L9/00 , A47L9/19 , A47L9/2842 , A47L9/2889 , Y10S292/65
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公开(公告)号:US3108736A
公开(公告)日:1963-10-29
申请号:US81518659
申请日:1959-05-22
Applicant: ELECTROLUX CORP
Inventor: EMIL ANDERSON , KOWALEWSKI JOHN J
IPC: A47L9/14
CPC classification number: A47L9/1454
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公开(公告)号:US2930069A
公开(公告)日:1960-03-29
申请号:US66868057
申请日:1957-06-28
Applicant: ELECTROLUX CORP
Inventor: KOWALEWSKI JOHN J
IPC: A47L9/04 , A47L11/204 , A47L11/32
CPC classification number: A47L9/0416 , A47L9/0433 , A47L11/204 , A47L11/325 , A47L11/40 , A47L11/4041 , A47L11/4044 , A47L11/4069 , A47L11/4094
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10.Current conducting vacuum cleaner hose with improved end fittings 失效
Title translation: 电流导电吸尘器软管,具有改进的端部配件公开(公告)号:US3407373A
公开(公告)日:1968-10-22
申请号:US59282766
申请日:1966-11-08
Applicant: ELECTROLUX CORP
Inventor: BROWN ROBERT J , FERRARIS JOHN T , KOWALEWSKI JOHN J , MOUGHTY JOHN J
CPC classification number: A47L9/2889 , A47L9/246 , A47L9/2868 , H01R13/005
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