FR964631A - - Google Patents
Info
- Publication number
- FR964631A FR964631A FR964631DA FR964631A FR 964631 A FR964631 A FR 964631A FR 964631D A FR964631D A FR 964631DA FR 964631 A FR964631 A FR 964631A
- 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
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/06—Contacts characterised by the shape or structure of the contact-making surface, e.g. grooved
- H01H1/08—Contacts characterised by the shape or structure of the contact-making surface, e.g. grooved wetted with mercury
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US775081A US2473693A (en) | 1947-09-19 | 1947-09-19 | Mercury contact device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR964631A true FR964631A (nl) | 1950-08-19 |
Family
ID=25103267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR964631D Expired FR964631A (nl) | 1947-09-19 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2473693A (nl) |
| BE (1) | BE482168A (nl) |
| CH (1) | CH278395A (nl) |
| DE (1) | DE824811C (nl) |
| FR (1) | FR964631A (nl) |
| GB (1) | GB646117A (nl) |
| NL (1) | NL70005C (nl) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE498493A (nl) * | 1949-10-05 | |||
| FR2498689A1 (fr) * | 1981-01-23 | 1982-07-30 | Socapex | Dispositif de rappel par tension de surface d'un liquide, interrupteur comportant un tel dispositif et son utilisation dans les relais a commande magnetique |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2317695A (en) * | 1940-06-15 | 1943-04-27 | Bell Telephone Labor Inc | Electric switch |
| US2295602A (en) * | 1941-07-17 | 1942-09-15 | Bell Telephone Labor Inc | Switching device |
-
0
- NL NL70005D patent/NL70005C/xx active
- BE BE482168D patent/BE482168A/xx unknown
- FR FR964631D patent/FR964631A/fr not_active Expired
-
1947
- 1947-09-19 US US775081A patent/US2473693A/en not_active Expired - Lifetime
-
1948
- 1948-08-13 GB GB21393/48A patent/GB646117A/en not_active Expired
- 1948-09-18 CH CH278395D patent/CH278395A/fr unknown
- 1948-12-31 DE DEP28907A patent/DE824811C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL70005C (nl) | |
| GB646117A (en) | 1950-11-15 |
| DE824811C (de) | 1951-12-13 |
| BE482168A (nl) | |
| US2473693A (en) | 1949-06-21 |
| CH278395A (fr) | 1951-10-15 |