NL70768C - - Google Patents
Info
- Publication number
- NL70768C NL70768C NL70768DA NL70768C NL 70768 C NL70768 C NL 70768C NL 70768D A NL70768D A NL 70768DA NL 70768 C NL70768 C NL 70768C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/02—Details
- H01H37/64—Contacts
- H01H37/66—Magnetic reinforcement of contact pressure; Magnet causing snap action
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL144691 | 1949-02-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL70768C true NL70768C (en:Method) |
Family
ID=19750466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL70768D NL70768C (en:Method) | 1949-02-04 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2622170A (en:Method) |
| BE (1) | BE491071A (en:Method) |
| CH (1) | CH278117A (en:Method) |
| DE (1) | DE837420C (en:Method) |
| FR (1) | FR1102471A (en:Method) |
| GB (1) | GB670804A (en:Method) |
| NL (1) | NL70768C (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2719894A (en) * | 1953-01-19 | 1955-10-04 | Missouri Automatic Contr Corp | Two-stage thermostat |
| US4365506A (en) * | 1980-12-22 | 1982-12-28 | Trw Inc. | Remotely operated downhole test disconnect switching apparatus |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1798854A (en) * | 1926-11-25 | 1931-03-31 | Satchwell Leonard | Thermostat |
| US2030933A (en) * | 1933-10-16 | 1936-02-18 | Penn Electric Switch Co | Magnet switch |
| US2143085A (en) * | 1936-06-26 | 1939-01-10 | Automatic Control Corp | Motor protector |
| US2451535A (en) * | 1943-01-29 | 1948-10-19 | Gen Motors Corp | Multiple control |
-
0
- BE BE491071D patent/BE491071A/xx unknown
- NL NL70768D patent/NL70768C/xx active
-
1949
- 1949-09-13 FR FR1102471D patent/FR1102471A/fr not_active Expired
- 1949-09-14 DE DEP4170A patent/DE837420C/de not_active Expired
- 1949-09-16 CH CH278117D patent/CH278117A/de unknown
- 1949-09-23 GB GB24462/49A patent/GB670804A/en not_active Expired
- 1949-10-19 US US122305A patent/US2622170A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR1102471A (fr) | 1955-10-21 |
| DE837420C (de) | 1952-04-28 |
| BE491071A (en:Method) | |
| CH278117A (de) | 1951-09-30 |
| GB670804A (en) | 1952-04-23 |
| US2622170A (en) | 1952-12-16 |