NL89412C - - Google Patents

Info

Publication number: NL89412C
Authority: NL; Netherlands

Application number

NL172909A

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.)

1951-10-06

Filing date

1952-10-03

Publication date

1958-06-16

1952-10-03 Application filed filed Critical

1958-06-16 Application granted granted Critical

1958-06-16 Publication of NL89412C publication Critical patent/NL89412C/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K9/00—Lamps having two or more incandescent bodies separately heated
- H01K9/08—Lamps having two or more incandescent bodies separately heated to provide selectively different light effects, e.g. for automobile headlamp

NL172909A 1951-10-06 1952-10-03 NL89412C (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DEP6288D DE887843C (en)	1951-10-06	1951-10-06	Electric light bulb with two filament wires, especially for car headlights

Publications (1)

Publication Number	Publication Date
NL89412C true NL89412C (en)	1958-06-16

Family

ID=40622216

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
NLAANVRAGE7709731,A NL172909B (en)	1951-10-06		SWITCH-ON CHAIN FOR A TELEPHONE EQUIPMENT ALARM.
NL172909A NL89412C (en)	1951-10-06	1952-10-03

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
NLAANVRAGE7709731,A NL172909B (en)	1951-10-06		SWITCH-ON CHAIN FOR A TELEPHONE EQUIPMENT ALARM.

Country Status (7)

Country	Link
US (1)	US2733377A (en)
BE (1)	BE514629A (en)
CH (1)	CH304864A (en)
DE (1)	DE887843C (en)
FR (1)	FR1073958A (en)
GB (1)	GB720130A (en)
NL (2)	NL89412C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3156843A (en) *	1960-10-27	1964-11-10	Sylvania Electric Prod	Incandescent lamp mount
US3548244A (en) *	1968-07-01	1970-12-15	British Lighting Ind Ltd	Lamp having twin filaments and integral filament legs mounted in a bridge
DE10219729A1 (en) *	2002-05-02	2003-11-13	Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh	Light bulb for automotive headlights

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2084750A (en) *	1935-01-29	1937-06-22	Edison Inc Thomas A	Gaseous discharge system
LU28218A1 (en) *	1946-11-27
NL145946B (en) *	1949-04-13		Philips Nv	DEVICE FOR GENERATING COLD, IN PARTICULAR AT VERY LOW TEMPERATURES.

0
- US US2733377D patent/US2733377A/en not_active Expired - Lifetime
- BE BE514629D patent/BE514629A/xx unknown
- NL NLAANVRAGE7709731,A patent/NL172909B/en unknown
1951
- 1951-10-06 DE DEP6288D patent/DE887843C/en not_active Expired
1952
- 1952-10-03 FR FR1073958D patent/FR1073958A/en not_active Expired
- 1952-10-03 NL NL172909A patent/NL89412C/xx active
- 1952-10-03 GB GB24827/52A patent/GB720130A/en not_active Expired
- 1952-10-04 CH CH304864D patent/CH304864A/en unknown

Also Published As

Publication number	Publication date
GB720130A (en)	1954-12-15
FR1073958A (en)	1954-09-30
NL172909B (en)
DE887843C (en)	1953-08-27
CH304864A (en)	1955-01-31
BE514629A (en)
US2733377A (en)	1956-01-31

Publication	Publication Date	Title
FR1053083A (en)	1954-01-29
AT197970B (en)	1958-05-27
JPS323475B1 (en)	1957-06-08
BE501417A (en)
BE501420A (en)
NL77995C (en)
NL76651C (en)
LU30545A1 (en)
NL89412C (en)	1958-06-16
BE538145A (en)
BE523426A (en)
BE522759A (en)
BE515403A (en)
BE514358A (en)
BE514276A (en)
BE513077A (en)
BE512852A (en)
BE511188A (en)
BE510277A (en)
BE510026A (en)
BE509086A (en)
BE508830A (en)	1953-07-17
BE502089A (en)
BE502062A (en)
BE502010A (en)