GB338372A - Improvements in mercury-break electrical switches - Google Patents
Improvements in mercury-break electrical switchesInfo
- Publication number
- GB338372A GB338372A GB3565129A GB3565129A GB338372A GB 338372 A GB338372 A GB 338372A GB 3565129 A GB3565129 A GB 3565129A GB 3565129 A GB3565129 A GB 3565129A GB 338372 A GB338372 A GB 338372A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mercury
- electrical switches
- break electrical
- break
- switches
- 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
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H29/00—Switches having at least one liquid contact
- H01H29/20—Switches having at least one liquid contact operated by tilting contact-liquid container
- H01H29/24—Switches having at least one liquid contact operated by tilting contact-liquid container wherein contact is made and broken between liquid and liquid
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR664448T | 1928-11-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB338372A true GB338372A (en) | 1930-11-20 |
Family
ID=9012664
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3565129A Expired GB338372A (en) | 1928-11-22 | 1929-11-21 | Improvements in mercury-break electrical switches |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE570833C (en) |
FR (1) | FR664448A (en) |
GB (1) | GB338372A (en) |
-
1928
- 1928-11-22 FR FR664448D patent/FR664448A/en not_active Expired
-
1929
- 1929-06-08 DE DE1929F0068563 patent/DE570833C/en not_active Expired
- 1929-11-21 GB GB3565129A patent/GB338372A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE570833C (en) | 1933-02-21 |
FR664448A (en) | 1929-09-03 |
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