FR743401A - - Google Patents
Info
- Publication number
- FR743401A FR743401A FR743401DA FR743401A FR 743401 A FR743401 A FR 743401A FR 743401D A FR743401D A FR 743401DA FR 743401 A FR743401 A FR 743401A
- Authority
- FR
- France
- 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
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K9/00—Lamps having two or more incandescent bodies separately heated
- H01K9/08—Lamps having two or more incandescent bodies separately heated to provide selectively different light effects, e.g. for automobile headlamp
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/16—Tuyéres
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/28—Envelopes; Vessels
- H01K1/32—Envelopes; Vessels provided with coatings on the walls; Vessels or coatings thereon characterised by the material thereof
- H01K1/325—Reflecting coating
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE743401X | 1932-07-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR743401A true FR743401A (nl) | 1933-03-30 |
Family
ID=7750781
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR743401D Expired FR743401A (nl) | 1932-07-28 | 1932-09-28 | |
| FR747606D Expired FR747606A (fr) | 1932-07-28 | 1932-12-15 | Lampe électrique pour phares |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR747606D Expired FR747606A (fr) | 1932-07-28 | 1932-12-15 | Lampe électrique pour phares |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US1947243A (nl) |
| FR (2) | FR743401A (nl) |
| GB (2) | GB416561A (nl) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE540045A (nl) * | 1954-07-24 | |||
| US3025424A (en) * | 1958-06-16 | 1962-03-13 | Gen Electric | Electric lamp |
| DE1149453B (de) * | 1960-10-13 | 1963-05-30 | Rolf Mickley | Zweifadengluehlampe fuer abgeblendetes Fern- und Nahlicht in Kraftfahrzeugscheinwerfern |
| NL284072A (nl) * | 1961-10-09 | |||
| US3697802A (en) * | 1970-10-12 | 1972-10-10 | Wagner Electric Corp | Two-terminal, two-color indicator lamp assembly |
| US4644452A (en) * | 1985-10-25 | 1987-02-17 | Kasboske George C | Vehicle headlamp with fog penetrating capability |
| DE4039948C2 (de) * | 1990-12-14 | 2001-07-26 | Piaa Corp Tokio Tokyo | Lampe zur Verwendung in einem Hauptscheinwerfer eines Kraftfahrzeuges |
-
1932
- 1932-09-28 FR FR743401D patent/FR743401A/fr not_active Expired
- 1932-12-15 GB GB35606/32A patent/GB416561A/en not_active Expired
- 1932-12-15 FR FR747606D patent/FR747606A/fr not_active Expired
-
1933
- 1933-07-11 US US679978A patent/US1947243A/en not_active Expired - Lifetime
- 1933-07-11 GB GB19650/33A patent/GB404222A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US1947243A (en) | 1934-02-13 |
| GB416561A (en) | 1934-09-17 |
| GB404222A (en) | 1934-01-11 |
| FR747606A (fr) | 1933-06-19 |