FR666477A - Improvements to incandescent lamps and their mounts - Google Patents

Improvements to incandescent lamps and their mounts

Info

Publication number
FR666477A
FR666477A FR666477DA FR666477A FR 666477 A FR666477 A FR 666477A FR 666477D A FR666477D A FR 666477DA FR 666477 A FR666477 A FR 666477A
Authority
FR
France
Prior art keywords
mounts
incandescent lamps
incandescent
lamps
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.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
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 Compagnie des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR666477A publication Critical patent/FR666477A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
    • H01R33/05—Two-pole devices
    • H01R33/46—Two-pole devices for bayonet type base
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
    • C07F7/003—Compounds containing elements of Groups 4 or 14 of the Periodic Table without C-Metal linkages
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/42—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp
    • H01K1/46—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp supported by a separate part, e.g. base, cap
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K9/00—Lamps having two or more incandescent bodies separately heated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
FR666477D 1927-12-28 1928-12-28 Improvements to incandescent lamps and their mounts Expired FR666477A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US243107A US1788231A (en) 1927-12-28 1927-12-28 Incandescent lamp and mounting therefor

Publications (1)

Publication Number Publication Date
FR666477A true FR666477A (en) 1929-10-02

Family

ID=22917375

Family Applications (1)

Application Number Title Priority Date Filing Date
FR666477D Expired FR666477A (en) 1927-12-28 1928-12-28 Improvements to incandescent lamps and their mounts

Country Status (5)

Country Link
US (1) US1788231A (en)
DE (1) DE477580C (en)
FR (1) FR666477A (en)
GB (1) GB303114A (en)
NL (2) NL44107C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE963536C (en) * 1953-02-10 1957-05-09 Dr Julius Karl Patten Multi-filament motor vehicle headlight bulb which emits light exclusively to the lower half-shell of a parabolic headlight reflector
US2885589A (en) * 1956-08-08 1959-05-05 Tung Sol Electric Inc Multi-voltage lamp
GB1391704A (en) * 1972-04-14 1975-04-23 Thorn Electrical Ind Ltd Lamp pinch seals

Also Published As

Publication number Publication date
US1788231A (en) 1931-01-06
DE477580C (en) 1929-06-11
NL44107C (en) 1900-01-01
NL24671C (en) 1900-01-01
GB303114A (en) 1930-01-02

Similar Documents

Publication Publication Date Title
FR666477A (en) Improvements to incandescent lamps and their mounts
FR692232A (en) Negative incandescent lamp
FR677066A (en) Improvements to incandescent electric lamps
FR665272A (en) Improvements to incandescent electric lamps and their supports
FR702874A (en) Incandescent lamp improvements
FR682118A (en) Improvements made to glow amplifier lamps
FR660796A (en) Improvement in incandescent lamps
FR648455A (en) Improvements to projectors including incandescent electric lamps
FR688252A (en) Incandescent lamp improvements
FR705272A (en) Improvements to incandescent electric lamps or discharge tubes
FR702067A (en) Improvements to incandescent electric lamps and their supports
FR663300A (en) Improvements to incandescent electric lamps
FR653509A (en) Improvements to incandescent lamps and similar devices
FR651429A (en) Improvements to Incandescent Lamps and Similar Articles
FR628329A (en) Improvements to incandescent electric lamps
FR631452A (en) Improvements to incandescent electric lamps
FR634102A (en) Incandescent lamp improvements
FR633511A (en) Incandescent lamp
FR677622A (en) Improvements to projectors including incandescent electric lamps
FR666475A (en) Improvements to incandescent electric lamps
FR676233A (en) Improvements to incandescent electric lamps
FR675671A (en) Improvements to incandescent electric lamps
FR685942A (en) Improvements to lamps and their reflectors
FR651291A (en) Incandescent lamp improvements
FR653863A (en) Improvements to incandescent discharge lamps