GB299047A - - Google Patents
Info
- Publication number
- GB299047A GB299047A GB29771/28A GB2977128A GB299047A GB 299047 A GB299047 A GB 299047A GB 29771/28 A GB29771/28 A GB 29771/28A GB 2977128 A GB2977128 A GB 2977128A GB 299047 A GB299047 A GB 299047A
- Authority
- GB
- United Kingdom
- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
- H01H33/6664—Operating arrangements with pivoting movable contact structure
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE276641X | 1926-08-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB299047A true GB299047A (en) | 1929-10-24 |
Family
ID=6028163
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB19836/27A Expired GB276641A (en) | 1926-08-26 | 1927-07-26 | Improvements in or relating to electric switches |
| GB29771/28A Expired GB299047A (en) | 1926-08-26 | 1928-10-15 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB19836/27A Expired GB276641A (en) | 1926-08-26 | 1927-07-26 | Improvements in or relating to electric switches |
Country Status (3)
| Country | Link |
|---|---|
| DE (2) | DE526940C (en) |
| FR (1) | FR638489A (en) |
| GB (2) | GB276641A (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2735912A (en) * | 1956-02-21 | Ulanet | ||
| US2472625A (en) * | 1944-05-23 | 1949-06-07 | Gen Electric | Electric circuit breaker |
| US2488748A (en) * | 1947-06-14 | 1949-11-22 | Stewart Warner Corp | Thermostatic switch |
| US2752457A (en) * | 1952-07-16 | 1956-06-26 | Milwaukee Gas Specialty Co | Condition responsive control device |
| US2919320A (en) * | 1956-07-25 | 1959-12-29 | Bendix Aviat Corp | Diaphragm-type pressure-actuated switch and method of fabricating same |
| US2923798A (en) * | 1956-08-20 | 1960-02-02 | Inst Divi Thomae Foundation | Mounting for electrodes in glass vessels |
| US2920169A (en) * | 1957-02-11 | 1960-01-05 | Jennings Radio Mfg Corp | Vacuumized electric switch |
| US2979588A (en) * | 1958-12-09 | 1961-04-11 | Jennings Radio Mfg Corp | Vacuum switch |
| US2993971A (en) * | 1958-12-19 | 1961-07-25 | Allis Chalmers Mfg Co | Vacuum switch having arcuate tubular contacts actuated by internal fluid pressure |
| US3065321A (en) * | 1959-11-06 | 1962-11-20 | Allis Chalmers Mfg Co | Vacuum switch actuated by fluid pressure impulse means |
| US3079481A (en) * | 1961-05-19 | 1963-02-26 | Jennings Radio Mfg Corp | Multiple position vacuum switch |
| US3222484A (en) * | 1961-06-01 | 1965-12-07 | Jennings Radio Mfg Corp | Expansible vacuum envelope for electrical devices |
| US3166658A (en) * | 1962-07-05 | 1965-01-19 | Jennings Radio Mfg Corp | Vacuum switch and envelope construction therefor |
-
1926
- 1926-08-27 DE DESCH79874D patent/DE526940C/en not_active Expired
-
1927
- 1927-06-28 FR FR638489D patent/FR638489A/en not_active Expired
- 1927-07-26 GB GB19836/27A patent/GB276641A/en not_active Expired
- 1927-10-22 DE DESCH84180D patent/DE541151C/en not_active Expired
-
1928
- 1928-10-15 GB GB29771/28A patent/GB299047A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB276641A (en) | 1928-10-26 |
| FR638489A (en) | 1928-05-25 |
| DE526940C (en) | 1931-06-12 |
| DE541151C (en) | 1932-01-08 |