FR643285A - Improvements to the bases of electric lamps - Google Patents

Improvements to the bases of electric lamps

Info

Publication number
FR643285A
FR643285A FR643285DA FR643285A FR 643285 A FR643285 A FR 643285A FR 643285D A FR643285D A FR 643285DA FR 643285 A FR643285 A FR 643285A
Authority
FR
France
Prior art keywords
bases
electric lamps
lamps
electric
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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
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 General Electric Co PLC filed Critical General Electric Co PLC
Application granted granted Critical
Publication of FR643285A publication Critical patent/FR643285A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
    • H01J9/30—Manufacture of bases
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K11/00—Use of ingredients of unknown constitution, e.g. undefined reaction products

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
FR643285D 1926-11-26 1927-11-02 Improvements to the bases of electric lamps Expired FR643285A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2996726A GB279654A (en) 1926-11-26 1926-11-26 Improvements in or relating to electric lamp caps

Publications (1)

Publication Number Publication Date
FR643285A true FR643285A (en) 1928-09-13

Family

ID=10300105

Family Applications (1)

Application Number Title Priority Date Filing Date
FR643285D Expired FR643285A (en) 1926-11-26 1927-11-02 Improvements to the bases of electric lamps

Country Status (3)

Country Link
BE (1) BE346255A (en)
FR (1) FR643285A (en)
GB (1) GB279654A (en)

Also Published As

Publication number Publication date
GB279654A (en) 1927-11-03
BE346255A (en)

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