NL142523B - ELECTRIC LIGHT BULB. - Google Patents

ELECTRIC LIGHT BULB.

Info

Publication number: NL142523B
Authority: NL; Netherlands
Prior art keywords: light bulb; electric light; electric; bulb; light
Prior art date: 1968-08-13

Application number

NL696911678A

Other languages

Dutch (nl)

Other versions

NL6911678A (en

Original Assignee

Iwasaki Electric Co Ltd

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.)

1968-08-13

Filing date

1969-07-31

Publication date

1974-06-17

1969-07-31 Application filed by Iwasaki Electric Co Ltd filed Critical Iwasaki Electric Co Ltd

1970-02-17 Publication of NL6911678A publication Critical patent/NL6911678A/xx

1974-06-17 Publication of NL142523B publication Critical patent/NL142523B/en

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/50—Selection of substances for gas fillings; Specified pressure thereof

NL696911678A 1968-08-13 1969-07-31 ELECTRIC LIGHT BULB. NL142523B (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP5726068		1968-08-13
JP3872969		1969-05-21

Publications (2)

Publication Number	Publication Date
NL6911678A NL6911678A (en)	1970-02-17
NL142523B true NL142523B (en)	1974-06-17

Family

ID=26378017

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL696911678A NL142523B (en)	1968-08-13	1969-07-31	ELECTRIC LIGHT BULB.

Country Status (7)

Country	Link
US (1)	US3582703A (en)
BE (1)	BE736875A (en)
CH (1)	CH512143A (en)
DE (1)	DE1938955B2 (en)
FR (1)	FR2015570A1 (en)
GB (1)	GB1257198A (en)
NL (1)	NL142523B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3843899A (en) *	1972-06-28	1974-10-22	Philips Corp	Tungsten-bromine cycle incandescent lamp containing boron
US4024425A (en) *	1974-11-11	1977-05-17	Tokyo Shibaura Electric Co., Ltd.	Metal halide lamps
US4238705A (en) *	1979-09-12	1980-12-09	General Electric Company	Incandescent lamp seal means
DE20020148U1 (en) *	2000-09-18	2001-03-22	Advanced Photonics Technologies AG, 83052 Bruckmühl	Radiation source and radiation arrangement
TWI496974B (en) *	2011-11-14	2015-08-21		Fixing structure for guard rails abstract of the invention

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL27400C (en) *	1928-12-18

1969
- 1969-07-30 GB GB1257198D patent/GB1257198A/en not_active Expired
- 1969-07-31 NL NL696911678A patent/NL142523B/en not_active IP Right Cessation
- 1969-07-31 BE BE736875D patent/BE736875A/xx unknown
- 1969-07-31 DE DE19691938955 patent/DE1938955B2/en not_active Withdrawn
- 1969-07-31 US US846475A patent/US3582703A/en not_active Expired - Lifetime
- 1969-08-08 FR FR6927332A patent/FR2015570A1/fr not_active Withdrawn
- 1969-08-13 CH CH1229969A patent/CH512143A/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
GB1257198A (en)	1971-12-15
BE736875A (en)	1969-12-31
CH512143A (en)	1971-08-31
US3582703A (en)	1971-06-01
FR2015570A1 (en)	1970-04-30
DE1938955A1 (en)	1970-07-09
NL6911678A (en)	1970-02-17
DE1938955B2 (en)	1970-07-09

Similar Documents

Publication	Publication Date	Title
AT289952B (en)	1971-05-10	Electric lighting equipment
NL159229B (en)	1979-01-15	ELECTRIC LAMP.
AT254332B (en)	1967-05-26	Electric light bulb
NL162236B (en)	1979-11-15	ELECTRIC CAMSWITCH.
NL179100C (en)	1986-07-01	ELECTRIC LIGHT BULB.
NL143069B (en)	1974-08-15	ELECTRIC LIGHT BULB.
NL160679C (en)	1979-11-15	ELECTRIC LIGHT BULB.
AT269283B (en)	1969-03-10	Electric light bulb
AT285733B (en)	1970-11-10	Electric light bulb
CH501997A (en)	1971-01-15	Halogen-filled electric light bulb
NL154318B (en)	1977-08-15	ELECTRIC FLASHLIGHT.
NL142523B (en)	1974-06-17	ELECTRIC LIGHT BULB.
NL149949B (en)	1976-06-15	CELLLESS ELECTRIC LAMP.
CH455036A (en)	1968-04-30	Electric light bulb
NL160678C (en)	1979-11-15	ELECTRIC LIGHT BULB.
NL153022B (en)	1977-04-15	ELECTRIC LIGHT BULB.
AT293545B (en)	1971-10-11	Electric light bulb
CH509662A (en)	1971-06-30	Halogen-filled electric light bulb
NL151557B (en)	1976-11-15	ELECTRIC LIGHT BULB.
DE2131248B2 (en)	1976-06-16	ELECTRIC LIGHT BULB
CH448266A (en)	1967-12-15	Electric lamp
AT253620B (en)	1967-04-10	Electric light bulb
CH497788A (en)	1970-10-15	Halogen-filled electric light bulb
AT253619B (en)	1967-04-10	Electric light bulb
NL146981B (en)	1975-08-15	ELECTRIC LAMP.

Legal Events

Date	Code	Title	Description
1984-06-18	V1	Lapsed because of non-payment of the annual fee
1989-07-31	NL80	Abbreviated name of patent owner mentioned of already nullified patent	Owner name: DENKI