FR727895A - Dispositifs indicateurs d'extinctions d'une lampe - Google Patents
Dispositifs indicateurs d'extinctions d'une lampeInfo
- Publication number
- FR727895A FR727895A FR727895DA FR727895A FR 727895 A FR727895 A FR 727895A FR 727895D A FR727895D A FR 727895DA FR 727895 A FR727895 A FR 727895A
- Authority
- FR
- France
- Prior art keywords
- indicating devices
- extinguishers
- lamp
- lamp extinguishers
- indicating
- 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
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/62—One or more circuit elements structurally associated with the lamp
- H01K1/70—One or more circuit elements structurally associated with the lamp with built-in short-circuiting device, e.g. for serially connected lamps
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US502052A US1972125A (en) | 1930-12-13 | 1930-12-13 | Lamp failure indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR727895A true FR727895A (fr) | 1932-06-25 |
Family
ID=23996131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR727895D Expired FR727895A (fr) | 1930-12-13 | 1931-12-05 | Dispositifs indicateurs d'extinctions d'une lampe |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1972125A (enrdf_load_stackoverflow) |
| DE (1) | DE598892C (enrdf_load_stackoverflow) |
| FR (1) | FR727895A (enrdf_load_stackoverflow) |
| GB (1) | GB377554A (enrdf_load_stackoverflow) |
| NL (1) | NL34648C (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2447159A (en) * | 1944-06-19 | 1948-08-17 | Gen Electric | Lamp terminal structure and method of manufacture |
| US2967976A (en) * | 1958-05-13 | 1961-01-10 | Lanata German Daniel | Blinking light arrangement |
| US3179847A (en) * | 1960-01-25 | 1965-04-20 | Mott Robert E De | Electrical potential indicator |
-
0
- NL NL34648D patent/NL34648C/xx active
-
1930
- 1930-12-13 US US502052A patent/US1972125A/en not_active Expired - Lifetime
-
1931
- 1931-12-05 FR FR727895D patent/FR727895A/fr not_active Expired
- 1931-12-11 DE DEW87734D patent/DE598892C/de not_active Expired
- 1931-12-14 GB GB34639/31A patent/GB377554A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US1972125A (en) | 1934-09-04 |
| NL34648C (enrdf_load_stackoverflow) | |
| GB377554A (en) | 1932-07-28 |
| DE598892C (de) | 1934-06-20 |
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