NL49985C - - Google Patents

Info

Publication number: NL49985C
Authority: NL; Netherlands

Application number

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.)

1937-01-09

Publication of NL49985C publication Critical patent/NL49985C/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/34—Self-interrupters, i.e. with periodic or other repetitive opening and closing of contacts
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/30—Electromagnetic relays specially adapted for actuation by AC
- H01H51/32—Frequency relays; Mechanically-tuned relays

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
Electromagnets (AREA)

NL49985D 1937-01-09 NL49985C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE513575X		1937-01-09

Publications (1)

Publication Number	Publication Date
NL49985C true NL49985C (enrdf_load_stackoverflow)

Family

ID=6548457

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL49985D NL49985C (enrdf_load_stackoverflow)	1937-01-09

Country Status (3)

Country	Link
BE (1)	BE425676A (enrdf_load_stackoverflow)
GB (1)	GB513575A (enrdf_load_stackoverflow)
NL (1)	NL49985C (enrdf_load_stackoverflow)

0
- NL NL49985D patent/NL49985C/xx active
- BE BE425676D patent/BE425676A/xx unknown
1938
- 1938-01-10 GB GB778/38A patent/GB513575A/en not_active Expired

Also Published As

Publication number	Publication date
BE425676A (enrdf_load_stackoverflow)
GB513575A (en)	1940-02-28

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