FR21975E - Improvements made to electrical switches - Google Patents
Improvements made to electrical switchesInfo
- Publication number
- FR21975E FR21975E FR21975DA FR21975E FR 21975 E FR21975 E FR 21975E FR 21975D A FR21975D A FR 21975DA FR 21975 E FR21975 E FR 21975E
- Authority
- FR
- France
- Prior art keywords
- improvements made
- electrical switches
- switches
- electrical
- 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
- H01H27/00—Switches operated by a removable member, e.g. key, plug or plate; Switches operated by setting members according to a single predetermined combination out of several possible settings
- H01H27/10—Switch operated by setting members according to a single predetermined combination out of several possible settings
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB196620A GB159087A (en) | 1920-01-21 | 1920-01-21 | Improvements in electric switches |
Publications (1)
Publication Number | Publication Date |
---|---|
FR21975E true FR21975E (en) | 1921-04-21 |
Family
ID=9731173
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR21975D Expired FR21975E (en) | 1920-01-21 | 1920-12-06 | Improvements made to electrical switches |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR21975E (en) |
GB (1) | GB159087A (en) |
-
1920
- 1920-01-21 GB GB196620A patent/GB159087A/en not_active Expired
- 1920-12-06 FR FR21975D patent/FR21975E/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB159087A (en) | 1921-02-24 |
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