FR666477A - Improvements to incandescent lamps and their mounts - Google Patents
Improvements to incandescent lamps and their mountsInfo
- 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
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)
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) | NL24671C (en) |
Families Citing this family (3)
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 |
-
0
- NL NL44107D patent/NL44107C/xx active
- NL NL24671D patent/NL24671C/xx active
-
1927
- 1927-12-28 US US243107A patent/US1788231A/en not_active Expired - Lifetime
-
1928
- 1928-04-18 DE DEP57567D patent/DE477580C/en not_active Expired
- 1928-12-27 GB GB38195/28A patent/GB303114A/en not_active Expired
- 1928-12-28 FR FR666477D patent/FR666477A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL24671C (en) | 1900-01-01 |
DE477580C (en) | 1929-06-11 |
NL44107C (en) | 1900-01-01 |
US1788231A (en) | 1931-01-06 |
GB303114A (en) | 1930-01-02 |
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