NL109174C - - Google Patents
Info
- Publication number
- NL109174C NL109174C NL109174DA NL109174C NL 109174 C NL109174 C NL 109174C NL 109174D A NL109174D A NL 109174DA NL 109174 C NL109174 C NL 109174C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/22—Polarised relays
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US253880A US1852210A (en) | 1928-02-13 | 1928-02-13 | Polarized relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL109174C true NL109174C (https=) |
Family
ID=22962088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL109174D NL109174C (https=) | 1928-02-13 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US1852210A (https=) |
| NL (1) | NL109174C (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2794157A (en) * | 1952-12-30 | 1957-05-28 | Allen E Chisholm | Polarized snap action magnetic switch |
| US3243543A (en) * | 1964-01-02 | 1966-03-29 | Palmer M Maxwell | Magnetically positioned electrical switch |
-
0
- NL NL109174D patent/NL109174C/xx active
-
1928
- 1928-02-13 US US253880A patent/US1852210A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US1852210A (en) | 1932-04-05 |