NL142523B - ELECTRIC LIGHT BULB. - Google Patents

ELECTRIC LIGHT BULB.

Info

Publication number
NL142523B
NL142523B NL696911678A NL6911678A NL142523B NL 142523 B NL142523 B NL 142523B NL 696911678 A NL696911678 A NL 696911678A NL 6911678 A NL6911678 A NL 6911678A NL 142523 B NL142523 B NL 142523B
Authority
NL
Netherlands
Prior art keywords
light bulb
electric light
electric
bulb
light
Prior art date
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.)
Filing date
Publication date
Application filed by Iwasaki Electric Co Ltd filed Critical Iwasaki Electric Co Ltd
Publication of NL6911678A publication Critical patent/NL6911678A/xx
Publication of NL142523B publication Critical patent/NL142523B/en

Links

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 Tech Ag 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

Also Published As

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

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: DENKI