-
公开(公告)号:US2744272A
公开(公告)日:1956-05-08
申请号:US19370450
申请日:1950-11-02
Applicant: INTERSTATE ENGINEERING CORP
Inventor: THEIS WILLIAM T , GREEN LELAND W
IPC: A47L11/206
CPC classification number: A47L11/4038 , A47L11/206 , A47L11/4069 , A47L11/4094
-
公开(公告)号:US2642617A
公开(公告)日:1953-06-23
申请号:US78089247
申请日:1947-10-20
Applicant: MASURY YOUNG COMPANY
Inventor: LILLY HOWARD C
IPC: A47L11/33
CPC classification number: A47L11/4094 , A47L11/33 , A47L11/40 , A47L11/4013 , A47L11/4041
-
43.
公开(公告)号:US2396861A
公开(公告)日:1946-03-19
申请号:US47629843
申请日:1943-02-18
Applicant: TORVALD LINDEROTH ERIK
Inventor: TORVALD LINDEROTH ERIK
CPC classification number: A47L11/4094 , A47L11/08 , A47L11/33 , A47L11/4013 , A47L11/4025 , A47L11/4027 , A47L11/4041 , A47L11/4055 , A47L11/4075
-
公开(公告)号:US2334914A
公开(公告)日:1943-11-23
申请号:US25118139
申请日:1939-01-16
Applicant: ERICKSON CARL E
Inventor: ERICKSON CARL E
CPC classification number: A47L11/4094 , A47L11/325 , A47L11/4041 , A47L11/408 , A47L11/4083 , A47L13/22
-
公开(公告)号:US2243935A
公开(公告)日:1941-06-03
申请号:US33340840
申请日:1940-05-04
Applicant: CLARENCE WILLIAMSON JAMES
Inventor: CLARENCE WILLIAMSON JAMES
IPC: A47L11/30
CPC classification number: A47L11/4094 , A47L11/30 , A47L11/40 , A47L11/4036 , A47L11/4044 , A47L11/4072 , A47L11/4077 , A47L11/4088
-
公开(公告)号:US2045980A
公开(公告)日:1936-06-30
申请号:US67073333
申请日:1933-05-12
Applicant: MOLNAR NICHOLAS M , NICHOLAS BRUCKNER
Inventor: DE NAGY BELA
IPC: A47L11/206
CPC classification number: A47L11/40 , A47L11/2065 , A47L11/4038 , A47L11/4041 , A47L11/4044 , A47L11/4058 , A47L11/4069 , A47L11/4094 , A47L11/4097
-
公开(公告)号:US2000931A
公开(公告)日:1935-05-14
申请号:US71724334
申请日:1934-03-24
Applicant: DE NAGY BELA
Inventor: DE NAGY BELA
IPC: A47L11/206
CPC classification number: A47L11/40 , A47L11/2065 , A47L11/4038 , A47L11/4044 , A47L11/4055 , A47L11/4058 , A47L11/4094 , A47L11/4097
-
公开(公告)号:US1847870A
公开(公告)日:1932-03-01
申请号:US27296728
申请日:1928-04-26
Applicant: FLYNN MORTIMER F
Inventor: FLYNN MORTIMER F
IPC: A47L5/34 , A47L11/204
CPC classification number: A47L11/204 , A47L5/34 , A47L11/4013 , A47L11/4041 , A47L11/4055 , A47L11/4058 , A47L11/4094
-
公开(公告)号:US1795533A
公开(公告)日:1931-03-10
申请号:US10015226
申请日:1926-04-06
Applicant: M S WRIGHT COMPANY
Inventor: HARLOW WRIGHT HENRY
IPC: A47L5/30 , A47L11/204
CPC classification number: A47L11/40 , A47L5/30 , A47L11/204 , A47L11/4041 , A47L11/4094
-
公开(公告)号:US1752803A
公开(公告)日:1930-04-01
申请号:US22697227
申请日:1927-10-18
Applicant: ELECTRIC VACUUM CLEANER CO
Inventor: MORGAL JOHN F
IPC: A47L11/204
CPC classification number: A47L11/4041 , A47L11/204 , A47L11/4069 , A47L11/4094
-
-
-
-
-
-
-
-
-