FR422439A - Incandescent lamp with removable base - Google Patents

Incandescent lamp with removable base

Info

Publication number
FR422439A
FR422439A FR422439DA FR422439A FR 422439 A FR422439 A FR 422439A FR 422439D A FR422439D A FR 422439DA FR 422439 A FR422439 A FR 422439A
Authority
FR
France
Prior art keywords
incandescent lamp
removable base
removable
base
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
Other languages
French (fr)
Inventor
Gustavus-Adolphus Pfizer
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.)
GUSTAVUS-ADOLPHUS PFIZER
Original Assignee
GUSTAVUS-ADOLPHUS PFIZER
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 GUSTAVUS-ADOLPHUS PFIZER filed Critical GUSTAVUS-ADOLPHUS PFIZER
Application granted granted Critical
Publication of FR422439A publication Critical patent/FR422439A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/20—Seals between parts of vessels
    • H01J5/22—Vacuum-tight joints between parts of vessel
    • H01J5/30—Vacuum-tight joints between parts of vessel using packing-material, e.g. sealing-liquid or elastic insert
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0033—Vacuum connection techniques applicable to discharge tubes and lamps
    • H01J2893/0047—Closure other than lamp base
FR422439D 1910-10-25 1910-10-25 Incandescent lamp with removable base Expired FR422439A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR422439T 1910-10-25

Publications (1)

Publication Number Publication Date
FR422439A true FR422439A (en) 1911-03-21

Family

ID=1465394

Family Applications (1)

Application Number Title Priority Date Filing Date
FR422439D Expired FR422439A (en) 1910-10-25 1910-10-25 Incandescent lamp with removable base

Country Status (1)

Country Link
FR (1) FR422439A (en)

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