NL49406C - - Google Patents
Info
- Publication number
- NL49406C NL49406C NL49406DA NL49406C NL 49406 C NL49406 C NL 49406C NL 49406D A NL49406D A NL 49406DA NL 49406 C NL49406 C NL 49406C
- 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
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/16—Impedances connected with contacts
- H01H33/164—Impedances connected with contacts the impedance being inserted in the circuit by blowing the arc onto an auxiliary electrode
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEA0081551 | 1936-12-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL49406C true NL49406C (en:Method) |
Family
ID=6948354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL49406D NL49406C (en:Method) | 1936-12-30 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE425413A (en:Method) |
| CH (1) | CH204361A (en:Method) |
| FR (1) | FR831279A (en:Method) |
| GB (2) | GB492944A (en:Method) |
| NL (1) | NL49406C (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB884854A (en) * | 1957-07-01 | 1961-12-20 | Ass Elect Ind | Improvements in air or gas blast electric circuit-breakers |
-
0
- NL NL49406D patent/NL49406C/xx active
- BE BE425413D patent/BE425413A/xx unknown
-
1937
- 1937-12-27 FR FR831279D patent/FR831279A/fr not_active Expired
- 1937-12-29 CH CH204361D patent/CH204361A/de unknown
- 1937-12-30 GB GB3613237A patent/GB492944A/en not_active Expired
-
1938
- 1938-06-01 GB GB1641738A patent/GB509955A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR831279A (fr) | 1938-08-29 |
| GB492944A (en) | 1938-09-29 |
| GB509955A (en) | 1939-07-25 |
| CH204361A (de) | 1939-04-30 |
| BE425413A (en:Method) |