GB1295538A - - Google Patents

Info

Publication number
GB1295538A
GB1295538A GB1295538DA GB1295538A GB 1295538 A GB1295538 A GB 1295538A GB 1295538D A GB1295538D A GB 1295538DA GB 1295538 A GB1295538 A GB 1295538A
Authority
GB
United Kingdom
Prior art keywords
april
filament
lamp
filaments
heading
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
English (en)
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 filed Critical
Publication of GB1295538A publication Critical patent/GB1295538A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K7/00—Lamps for purposes other than general lighting
    • H01K7/04—Lamps for purposes other than general lighting for indicating

Landscapes

  • Illuminated Signs And Luminous Advertising (AREA)
  • Resistance Heating (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
  • Discharge Lamp (AREA)
GB1295538D 1969-04-29 1970-04-29 Expired GB1295538A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82021669A 1969-04-29 1969-04-29

Publications (1)

Publication Number Publication Date
GB1295538A true GB1295538A (enrdf_load_stackoverflow) 1972-11-08

Family

ID=25230208

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1295538D Expired GB1295538A (enrdf_load_stackoverflow) 1969-04-29 1970-04-29

Country Status (9)

Country Link
US (1) US3564325A (enrdf_load_stackoverflow)
BE (1) BE748177A (enrdf_load_stackoverflow)
CH (1) CH523565A (enrdf_load_stackoverflow)
DE (1) DE2021077A1 (enrdf_load_stackoverflow)
ES (1) ES378037A1 (enrdf_load_stackoverflow)
FR (1) FR2046549A5 (enrdf_load_stackoverflow)
GB (1) GB1295538A (enrdf_load_stackoverflow)
NL (1) NL7006197A (enrdf_load_stackoverflow)
SE (1) SE362164B (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1374580A (en) * 1970-11-24 1974-11-20 Smiths Industries Ltd Electrically operated display devices
US3673652A (en) * 1970-05-26 1972-07-04 Rca Corp Filamentary display devices

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3358176A (en) * 1965-07-19 1967-12-12 Burroughs Corp Multiple cathode indicator tube having no obstruction in the form of support disks
US3416020A (en) * 1966-02-14 1968-12-10 Los Angeles Miniature Products Filament display device including a rigid, light-absorbing, support panel

Also Published As

Publication number Publication date
BE748177A (fr) 1970-08-31
ES378037A1 (es) 1973-03-01
CH523565A (de) 1972-05-31
US3564325A (en) 1971-02-16
FR2046549A5 (enrdf_load_stackoverflow) 1971-03-05
SE362164B (enrdf_load_stackoverflow) 1973-11-26
DE2021077A1 (de) 1971-02-11
NL7006197A (enrdf_load_stackoverflow) 1970-11-02

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees