FR485539A - Improvements to electric incandescent lamps - Google Patents

Improvements to electric incandescent lamps

Info

Publication number
FR485539A
FR485539A FR485539A FR485539DA FR485539A FR 485539 A FR485539 A FR 485539A FR 485539 A FR485539 A FR 485539A FR 485539D A FR485539D A FR 485539DA FR 485539 A FR485539 A FR 485539A
Authority
FR
France
Prior art keywords
incandescent lamps
electric incandescent
electric
lamps
incandescent
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
FR485539A
Other languages
French (fr)
Inventor
Lodewijk Hamburger
Dirk Lely Junior
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DIRK LELY JUNIOR
Koninklijke Philips NV
Original Assignee
DIRK LELY JUNIOR
Philips Gloeilampenfabrieken NV
Filing date
Publication date
Application filed by DIRK LELY JUNIOR, Philips Gloeilampenfabrieken NV filed Critical DIRK LELY JUNIOR
Application granted granted Critical
Publication of FR485539A publication Critical patent/FR485539A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/52—Means for obtaining or maintaining the desired pressure within the vessel
    • H01K1/54—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B17/00—Protective clothing affording protection against heat or harmful chemical agents or for use at high altitudes
    • A62B17/04—Hoods

Landscapes

  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Resistance Heating (AREA)
  • Surface Treatment Of Glass (AREA)
  • Luminescent Compositions (AREA)
FR485539A 1916-12-15 Improvements to electric incandescent lamps Expired FR485539A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB113626T

Publications (1)

Publication Number Publication Date
FR485539A true FR485539A (en) 1918-01-16

Family

ID=32248396

Family Applications (1)

Application Number Title Priority Date Filing Date
FR485539A Expired FR485539A (en) 1916-12-15 Improvements to electric incandescent lamps

Country Status (3)

Country Link
DE (2) DE311347C (en)
FR (1) FR485539A (en)
GB (1) GB113626A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101915544B1 (en) * 2012-03-06 2018-11-06 엘지전자 주식회사 A washing machine with a selecting means for drying mode and a controlling method for the washing machine

Also Published As

Publication number Publication date
DE311054C (en)
DE311347C (en)
GB113626A (en) 1918-03-05

Similar Documents

Publication Publication Date Title
FR485539A (en) Improvements to electric incandescent lamps
FR434540A (en) Improvements to incandescent electric lamps
FR481047A (en) Improvements to incandescent electric lamps
FR474519A (en) Improvements to incandescent electric lamps
FR470744A (en) Improvements relating to incandescent electric lamps
FR441987A (en) Improvements to incandescent electric lamps
FR17979E (en) Improvements to incandescent electric lamps
FR467221A (en) Improvements to incandescent electric lamps
FR468533A (en) Improvements to incandescent electric lamps
FR453872A (en) Improvements to electric incandescent lamps
FR456414A (en) Improvements to incandescent electric lamps
FR453083A (en) Improvements to incandescent electric lamps
FR482720A (en) Incandescent lamp improvements
FR437735A (en) Incandescent lamps
FR485079A (en) Incandescent lamp improvements
FR15636E (en) Improvements to incandescent electric lamps
FR424432A (en) Improvements to incandescent electric lamps
FR423736A (en) Improvements to incandescent electric lamps
FR413484A (en) Improvements to incandescent electric lamps
FR416113A (en) Improvements to incandescent electric lamps
CH57393A (en) Improvement in incandescent electric lamps
FR505970A (en) Improvements to electric incandescent headlights
FR477955A (en) Incandescent lamp improvements
FR588948A (en) Incandescent lamp improvements
FR471379A (en) Incandescent lamp improvements