BE412477A - - Google Patents
Info
- Publication number
- BE412477A BE412477A BE412477DA BE412477A BE 412477 A BE412477 A BE 412477A BE 412477D A BE412477D A BE 412477DA BE 412477 A BE412477 A BE 412477A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H29/00—Switches having at least one liquid contact
- H01H29/18—Switches having at least one liquid contact with level of surface of contact liquid displaced by non-electrical contact-making plunger
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2157114X | 1934-11-27 | ||
| GB184936A GB472250A (en) | 1936-01-20 | 1936-01-20 | Improvements relating to electro-magnetically operated mercury switches |
| GB20946/37A GB479095A (en) | 1934-11-27 | 1936-07-28 | Improvements relating to mercury or other conducting-liquid switches |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE412477A true BE412477A (it) |
Family
ID=32073893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE412477D BE412477A (it) | 1934-11-27 |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US2157114A (it) |
| BE (1) | BE412477A (it) |
| FR (1) | FR798323A (it) |
| GB (1) | GB453229A (it) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2457681A (en) * | 1946-04-20 | 1948-12-28 | Durakool Inc | Time-delay plunger for relays |
| US2639775A (en) * | 1946-08-14 | 1953-05-26 | William E Hunt | Rotative wing aircraft |
| US2658124A (en) * | 1951-11-15 | 1953-11-03 | Durakool Inc | Mercury relay |
| DE1060957B (de) * | 1954-05-10 | 1959-07-09 | Eberle & Co Appbau Ges | Quecksilberschaltroehre mit Tauchanker fuer verzoegerte Ein- und schnelle Abschaltung |
| US2830153A (en) * | 1956-12-03 | 1958-04-08 | Durakool Inc | Relay plunger |
-
0
- BE BE412477D patent/BE412477A/xx unknown
-
1935
- 1935-02-01 GB GB3399/35A patent/GB453229A/en not_active Expired
- 1935-11-26 FR FR798323D patent/FR798323A/fr not_active Expired
- 1935-11-27 US US51962A patent/US2157114A/en not_active Expired - Lifetime
-
1937
- 1937-07-26 US US155773A patent/US2215543A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2157114A (en) | 1939-05-09 |
| GB453229A (en) | 1936-09-01 |
| US2215543A (en) | 1940-09-24 |
| FR798323A (fr) | 1936-05-14 |