NL31978C - - Google Patents
Info
- Publication number
- NL31978C NL31978C NL31978DA NL31978C NL 31978 C NL31978 C NL 31978C NL 31978D A NL31978D A NL 31978DA NL 31978 C NL31978 C NL 31978C
- Authority
- NL
- Netherlands
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
- H01H33/72—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid having stationary parts for directing the flow of arc-extinguishing fluid, e.g. arc-extinguishing chamber
- H01H33/75—Liquid-break switches, e.g. oil-break
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE366584X | 1929-12-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL31978C true NL31978C (en:Method) |
Family
ID=6317795
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL33872D NL33872C (en:Method) | 1929-12-02 | ||
| NL31978D NL31978C (en:Method) | 1929-12-02 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL33872D NL33872C (en:Method) | 1929-12-02 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE375420A (en:Method) |
| FR (1) | FR706766A (en:Method) |
| GB (1) | GB366584A (en:Method) |
| NL (2) | NL31978C (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE763038C (de) * | 1933-02-24 | 1953-07-27 | Neumann Hochspannungs App G M | Elektrischer Schalter mit verdampfbarer Fluessigkeit |
-
0
- NL NL33872D patent/NL33872C/xx active
- BE BE375420D patent/BE375420A/xx unknown
- NL NL31978D patent/NL31978C/xx active
-
1930
- 1930-11-07 GB GB33506/30A patent/GB366584A/en not_active Expired
- 1930-12-01 FR FR706766D patent/FR706766A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL33872C (en:Method) | |
| BE375420A (en:Method) | |
| GB366584A (en) | 1932-02-08 |
| FR706766A (fr) | 1931-06-29 |