FR631452A - Perfectionnements aux lampes électriques à incandescence - Google Patents

Perfectionnements aux lampes électriques à incandescence

Info

Publication number
FR631452A
FR631452A FR631452DA FR631452A FR 631452 A FR631452 A FR 631452A FR 631452D A FR631452D A FR 631452DA FR 631452 A FR631452 A FR 631452A
Authority
FR
France
Prior art keywords
electric lamps
incandescent electric
incandescent
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
English (en)
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 FR631452A publication Critical patent/FR631452A/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K1/00Details
    • H01K1/18Mountings or supports for the incandescent body
    • H01K1/20Mountings or supports for the incandescent body characterised by the material thereof
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/12389All metal or with adjacent metals having variation in thickness
    • Y10T428/12396Discontinuous surface component
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/12493Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771Transition metal-base component
    • Y10T428/12806Refractory [Group IVB, VB, or VIB] metal-base component
    • Y10T428/12826Group VIB metal-base component
    • Y10T428/12833Alternative to or next to each other
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/12493Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771Transition metal-base component
    • Y10T428/12806Refractory [Group IVB, VB, or VIB] metal-base component
    • Y10T428/12826Group VIB metal-base component
    • Y10T428/12847Cr-base component
FR631452D 1926-05-14 1927-03-26 Perfectionnements aux lampes électriques à incandescence Expired FR631452A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB12442/26A GB275735A (en) 1926-05-14 1926-05-14 Improvements in electric incandescent lamps

Publications (1)

Publication Number Publication Date
FR631452A true FR631452A (fr) 1927-12-21

Family

ID=10004668

Family Applications (1)

Application Number Title Priority Date Filing Date
FR631452D Expired FR631452A (fr) 1926-05-14 1927-03-26 Perfectionnements aux lampes électriques à incandescence

Country Status (4)

Country Link
US (1) US1733076A (de)
DE (1) DE457177C (de)
FR (1) FR631452A (de)
GB (1) GB275735A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3529335A (en) * 1966-05-06 1970-09-22 Pinlites Inc Method of making a light bulb with a plurality of independently connected filaments for indicating graphic symbols

Also Published As

Publication number Publication date
GB275735A (en) 1927-08-15
DE457177C (de) 1928-03-09
US1733076A (en) 1929-10-22

Similar Documents

Publication Publication Date Title
FR630354A (fr) Perfectionnements apportés aux lampes électriques à incandescence
FR677066A (fr) Perfectionnements aux lampes électriques à incandescence
FR624050A (fr) Perfectionnements aux lampes électriques à incandescence
FR626027A (fr) Perfectionnements aux lampes électriques à incandescence
FR621135A (fr) Perfectionnements apportés aux lampes électriques à incandescence
FR623708A (fr) Lampes électriques à incandescence
FR616189A (fr) Perfectionnements aux lampes électriques à incandescence
FR628329A (fr) Perfectionnements aux lampes électriques à incandescence
FR631452A (fr) Perfectionnements aux lampes électriques à incandescence
FR635382A (fr) Perfectionnements aux lampes électriques à incandescence
FR635383A (fr) Perfectionnements apportés aux lampes électriques à incandescence
FR703655A (fr) Perfectionnements apportés aux lampes électriques à incandescence
FR702874A (fr) Perfectionnements aux lampes à incandescence
FR648455A (fr) Perfectionnements apportés aux projecteurs comprenant des lampes électriques à incandescence
FR705272A (fr) Perfectionnements apportés aux lampes électriques à incandescence ou aux tubes à décharges
FR663300A (fr) Perfectionnements aux lampes électriques à incandescence
FR609545A (fr) Perfectionnements aux lampes à incandescence
FR634102A (fr) Perfectionnements aux lampes à incandescence
FR617198A (fr) Perfectionnements aux lampes électriques à incandescence
FR665272A (fr) Perfectionnements aux lampes électriques à incandescence et à leurs supports
FR570440A (fr) Perfectionnements apportés aux lampes électriques à incandescence
FR577428A (fr) Perfectionnements aux lampes électriques à incandescence
FR675671A (fr) Perfectionnements aux lampes électriques à incandescence
FR676233A (fr) Perfectionnements aux lampes électriques à incandescence
FR666475A (fr) Perfectionnements aux lampes électriques à incandescence