NL78787C - - Google Patents

Info

Publication number: NL78787C
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.)

1949-03-08

Publication of NL78787C publication Critical patent/NL78787C/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
- H01H50/74—Mechanical means for producing a desired natural frequency of operation of the contacts, e.g. for self-interrupter
- H01H50/76—Mechanical means for producing a desired natural frequency of operation of the contacts, e.g. for self-interrupter using reed or blade spring

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Contacts (AREA)
Switches Operated By Changes In Physical Conditions (AREA)

NL78787D 1949-03-08 NL78787C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR986476T		1949-03-08

Publications (1)

Publication Number	Publication Date
NL78787C true NL78787C (enrdf_load_stackoverflow)

Family

ID=9538082

Family Applications (4)

Application Number	Title	Filing Date
NL666617422A NL151504B (nl)	1949-03-08	Inrichting voor het nabootsen van de drukwerking van schokgolven bij een kernexplosie.
NL7500788.A NL165783B (nl)	1949-03-08	Werkwijze voor het verbeteren. versterken of modificeren van de organoleptische eigenschappen van parfums, voedings- middelen en dergelijke, werkwijze ter bereiding van een parfum of aroma-modificerend preparaat, de aldus verkregen gevormde voortbrengselen, en werkwijze ter bereiding van daartoe geschikte spiraanderivaten.
NL78787D NL78787C (enrdf_load_stackoverflow)	1949-03-08
NL81980D NL81980C (enrdf_load_stackoverflow)	1949-03-08

Family Applications Before (2)

Application Number	Title	Priority Date	Filing Date
NL666617422A NL151504B (nl)	1949-03-08		Inrichting voor het nabootsen van de drukwerking van schokgolven bij een kernexplosie.
NL7500788.A NL165783B (nl)	1949-03-08		Werkwijze voor het verbeteren. versterken of modificeren van de organoleptische eigenschappen van parfums, voedings- middelen en dergelijke, werkwijze ter bereiding van een parfum of aroma-modificerend preparaat, de aldus verkregen gevormde voortbrengselen, en werkwijze ter bereiding van daartoe geschikte spiraanderivaten.

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
NL81980D NL81980C (enrdf_load_stackoverflow)	1949-03-08

Country Status (6)

Country	Link
US (1)	US2690512A (enrdf_load_stackoverflow)
BE (1)	BE507578A (enrdf_load_stackoverflow)
DE (1)	DE816280C (enrdf_load_stackoverflow)
FR (2)	FR986476A (enrdf_load_stackoverflow)
GB (2)	GB672377A (enrdf_load_stackoverflow)
NL (4)	NL81980C (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2864920A (en) *	1954-10-20	1958-12-16	George Trad	High speed switch mechanism
US3345884A (en) *	1964-09-18	1967-10-10	Ammco Tools Inc	Grinding device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US767599A (en) *	1903-09-17	1904-08-16	Charles E Sedgwick	Electrically-operated apparatus.
US1078106A (en) *	1909-07-17	1913-11-11	Mcmeen & Miller	Harmonic relay.
US1692961A (en) *	1921-12-29	1928-11-27	American Telephone & Telegraph	Alternating-current relay
US1905771A (en) *	1926-11-27	1933-04-25	Gen Electric Vapor Lamp Co	Switch mounting
US1949489A (en) *	1932-01-21	1934-03-06	Harry W Burmeister	Flasher switch
US2634377A (en) *	1950-09-11	1953-04-07	Bendix Aviat Corp	Vibratory switch

0
- NL NL666617422A patent/NL151504B/xx unknown
- NL NL7500788.A patent/NL165783B/xx unknown
- NL NL78787D patent/NL78787C/xx active
- NL NL81980D patent/NL81980C/xx active
- BE BE507578D patent/BE507578A/xx unknown
1949
- 1949-03-08 FR FR986476D patent/FR986476A/fr not_active Expired
1950
- 1950-02-16 DE DEC522A patent/DE816280C/de not_active Expired
- 1950-02-27 GB GB5013/50A patent/GB672377A/en not_active Expired
1951
- 1951-01-13 FR FR61232D patent/FR61232E/fr not_active Expired
- 1951-12-31 US US264337A patent/US2690512A/en not_active Expired - Lifetime
1952
- 1952-01-10 GB GB812/52A patent/GB700489A/en not_active Expired

Also Published As

Publication number	Publication date
FR61232E (fr)	1955-04-05
US2690512A (en)	1954-09-28
NL165783B (nl)
GB700489A (en)	1953-12-02
DE816280C (de)	1951-10-08
NL81980C (enrdf_load_stackoverflow)
BE507578A (enrdf_load_stackoverflow)
GB672377A (en)	1952-05-21
FR986476A (fr)	1951-08-01
NL151504B (nl)

Publication	Publication Date	Title
FR962270A (enrdf_load_stackoverflow)	1950-06-07
NL71806C (enrdf_load_stackoverflow)	1953-02-16
BE476015A (enrdf_load_stackoverflow)
BE155588A (enrdf_load_stackoverflow)
BE437616A (enrdf_load_stackoverflow)
BE449134A (enrdf_load_stackoverflow)
BE457200A (enrdf_load_stackoverflow)
LU29982A1 (enrdf_load_stackoverflow)	1950-10-20
BE476643A (enrdf_load_stackoverflow)
BE476829A (enrdf_load_stackoverflow)
BE479156A (enrdf_load_stackoverflow)
BE480597A (enrdf_load_stackoverflow)
BE480618A (enrdf_load_stackoverflow)
BE482756A (enrdf_load_stackoverflow)
BE483443A (enrdf_load_stackoverflow)
BE483689A (enrdf_load_stackoverflow)
BE485768A (enrdf_load_stackoverflow)
BE485770A (enrdf_load_stackoverflow)
BE486689A (enrdf_load_stackoverflow)	1949-01-31
BE487077A (enrdf_load_stackoverflow)	1949-02-15
BE487289A (enrdf_load_stackoverflow)
BE487335A (enrdf_load_stackoverflow)
BE487425A (enrdf_load_stackoverflow)
BE487428A (enrdf_load_stackoverflow)
BE487564A (enrdf_load_stackoverflow)