FR688252A - Incandescent lamp improvements - Google Patents

Incandescent lamp improvements

Info

Publication number
FR688252A
FR688252A FR688252DA FR688252A FR 688252 A FR688252 A FR 688252A FR 688252D A FR688252D A FR 688252DA FR 688252 A FR688252 A FR 688252A
Authority
FR
France
Prior art keywords
incandescent lamp
incandescent
lamp
lamp improvements
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
French (fr)
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.)
Radiotechnique SA
Original Assignee
Radiotechnique SA
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 Radiotechnique SA filed Critical Radiotechnique SA
Application granted granted Critical
Publication of FR688252A publication Critical patent/FR688252A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
    • H01K3/06—Attaching of incandescent bodies to mount

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Details Of Aerials (AREA)
FR688252D 1929-04-02 1929-04-02 Incandescent lamp improvements Expired FR688252A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR688252T 1929-04-02

Publications (1)

Publication Number Publication Date
FR688252A true FR688252A (en) 1930-08-21

Family

ID=9026616

Family Applications (1)

Application Number Title Priority Date Filing Date
FR688252D Expired FR688252A (en) 1929-04-02 1929-04-02 Incandescent lamp improvements

Country Status (2)

Country Link
FR (1) FR688252A (en)
GB (1) GB357116A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE502569A (en) * 1950-09-27
DE19926865C2 (en) * 1999-06-12 2001-07-26 Interheat Inc Thermal infrared lamp

Also Published As

Publication number Publication date
GB357116A (en) 1931-09-14

Similar Documents

Publication Publication Date Title
FR630354A (en) Improvements to incandescent electric lamps
FR842265A (en) Incandescent lamp improvements
FR561530A (en) Incandescent lamp improvements
FR692232A (en) Negative incandescent lamp
FR565317A (en) Incandescent lamp improvements
FR702874A (en) Incandescent lamp improvements
FR688252A (en) Incandescent lamp improvements
FR677066A (en) Improvements to incandescent electric lamps
FR623708A (en) Incandescent electric lamps
FR609545A (en) Incandescent lamp improvements
FR681833A (en) Incandescent lamp improvements
FR660796A (en) Improvement in incandescent lamps
FR626027A (en) Improvements to incandescent electric lamps
FR624050A (en) Improvements to incandescent electric lamps
FR634102A (en) Incandescent lamp improvements
FR705272A (en) Improvements to incandescent electric lamps or discharge tubes
FR651291A (en) Incandescent lamp improvements
FR669205A (en) Incandescent lamp
FR616189A (en) Improvements to incandescent electric lamps
FR716157A (en) Improvements to incandescent lamp sockets
FR695093A (en) Incandescent electric lamps
FR622995A (en) Incandescent lamp improvements
FR576476A (en) Incandescent lamp improvements
FR676337A (en) Incandescent electric lamps
FR702452A (en) Improvements made to incandescent cathodes