FR744352A - - Google Patents
Info
- Publication number
- FR744352A FR744352A FR744352DA FR744352A FR 744352 A FR744352 A FR 744352A FR 744352D A FR744352D A FR 744352DA FR 744352 A FR744352 A FR 744352A
- 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
- H01H67/00—Electrically-operated selector switches
- H01H67/02—Multi-position wiper switches
- H01H67/14—Multi-position wiper switches having wipers movable in two mutually perpendicular directions for purpose of selection
- H01H67/16—Multi-position wiper switches having wipers movable in two mutually perpendicular directions for purpose of selection one motion being rotary and the other being parallel to the axis of rotation, e.g. Strowger or "up and around" switches
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US375401A US1914535A (en) | 1931-11-16 | 1931-11-16 | Automatic switching apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR744352A true FR744352A (fr) | 1933-04-19 |
Family
ID=24300176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR744352D Expired FR744352A (fr) | 1931-11-16 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1914535A (fr) |
| BE (1) | BE391791A (fr) |
| FR (1) | FR744352A (fr) |
| GB (1) | GB409284A (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104078255B (zh) * | 2014-06-04 | 2016-08-24 | 国网上海市电力公司 | 一种带有电磁锁的高压开关设备 |
-
0
- FR FR744352D patent/FR744352A/fr not_active Expired
- BE BE391791D patent/BE391791A/fr unknown
-
1931
- 1931-11-16 US US375401A patent/US1914535A/en not_active Expired - Lifetime
-
1932
- 1932-10-24 GB GB29736/32A patent/GB409284A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE391791A (fr) | |
| US1914535A (en) | 1933-06-20 |
| GB409284A (en) | 1934-04-24 |