FR959519A - - Google Patents
Info
- Publication number
- FR959519A FR959519A FR959519DA FR959519A FR 959519 A FR959519 A FR 959519A FR 959519D A FR959519D A FR 959519DA FR 959519 A FR959519 A FR 959519A
- 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
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
- H01H33/7015—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE265317X | 1947-01-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR959519A true FR959519A (xx) | 1950-03-31 |
Family
ID=20306588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR959519D Expired FR959519A (xx) | 1947-01-15 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2632828A (xx) |
| CH (1) | CH265317A (xx) |
| FR (1) | FR959519A (xx) |
| GB (1) | GB643096A (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2761935A (en) * | 1952-07-30 | 1956-09-04 | David C Prince | Circuit breaker |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US692735A (en) * | 1901-06-17 | 1902-02-04 | James R Thompson | Combined electric switch and spark-blow-out mechanism. |
| US1334645A (en) * | 1917-01-13 | 1920-03-23 | Bechoff Ferdinand | Air-break switch |
| US1861128A (en) * | 1928-12-28 | 1932-05-31 | Milliken Humphreys | High-power circuit-breaker |
| GB375308A (en) * | 1931-03-18 | 1932-06-20 | Electr & Allied Ind Res Ass | Improvements relating to electric switches and circuit breakers |
| BE388499A (xx) * | 1931-05-21 | |||
| GB398213A (en) * | 1932-03-01 | 1933-09-01 | Willis Bevan Whitney | Improvements in or relating to circuit breakers |
| DE687791C (de) * | 1932-06-04 | 1940-02-06 | Const Electr De Delle Sa Atel | Elektrischer Schalter mit Lichtbogenloeschung durch stroemendes Druckgas |
| US2133938A (en) * | 1933-12-08 | 1938-10-18 | Strauss Frida | Electric switch |
| US2222719A (en) * | 1939-07-08 | 1940-11-26 | Gen Electric | Air blast circuit breaker |
-
0
- FR FR959519D patent/FR959519A/fr not_active Expired
-
1948
- 1948-01-06 US US688A patent/US2632828A/en not_active Expired - Lifetime
- 1948-01-10 CH CH265317D patent/CH265317A/de unknown
- 1948-01-12 GB GB874/48A patent/GB643096A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH265317A (de) | 1949-11-30 |
| GB643096A (en) | 1950-09-15 |
| US2632828A (en) | 1953-03-24 |