-
公开(公告)号:US1677129A
公开(公告)日:1928-07-17
申请号:US8783126
申请日:1926-02-12
Applicant: DOOR CONTROL COMPANY
Inventor: CADY BLODGETT HERBERT
IPC: E05F15/00
CPC classification number: E05F15/41 , E05Y2900/132 , E05Y2900/40
-
公开(公告)号:US1933700A
公开(公告)日:1933-11-07
申请号:US47917930
申请日:1930-09-02
Applicant: DOOR CONTROL COMPANY
Inventor: CADY BLODGETT HERBERT
IPC: E05F15/16
CPC classification number: E05F15/684 , E05Y2201/646 , E05Y2800/00 , E05Y2900/106
-
公开(公告)号:US1981026A
公开(公告)日:1934-11-20
申请号:US55620031
申请日:1931-08-10
Applicant: DOOR CONTROL COMPANY
Inventor: CADY BLODGETT HERBERT
IPC: E05F15/16
CPC classification number: E05F15/684 , E05Y2201/434 , E05Y2201/604 , E05Y2201/656 , E05Y2201/708 , E05Y2600/46 , E05Y2800/00 , E05Y2900/106
-
公开(公告)号:US1978126A
公开(公告)日:1934-10-23
申请号:US47959830
申请日:1930-09-04
Applicant: DOOR CONTROL COMPANY
Inventor: CADY BLODGETT HERBERT
IPC: B66B13/08
CPC classification number: B66B13/08 , Y10T74/1884
-
公开(公告)号:US1962475A
公开(公告)日:1934-06-12
申请号:US48300730
申请日:1930-09-19
Applicant: DOOR CONTROL COMPANY
Inventor: CADY BLODGETT HERBERT
IPC: E05F15/16
CPC classification number: E05F15/684 , E05Y2201/646 , E05Y2201/686 , E05Y2800/00 , E05Y2900/106 , Y10T74/1884
-
-
-
-