NL144314C - - Google Patents
Info
- Publication number
- NL144314C NL144314C NL144314DA NL144314C NL 144314 C NL144314 C NL 144314C NL 144314D A NL144314D A NL 144314DA NL 144314 C NL144314 C NL 144314C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H29/00—Switches having at least one liquid contact
- H01H29/26—Switches having at least one liquid contact with level of surface of contact liquid displaced by centrifugal action
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1077/48A GB641826A (en) | 1948-01-14 | 1948-01-14 | Improvements in or relating to velocipedes and mercury electric switches therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL144314C true NL144314C (en:Method) |
Family
ID=9715764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL144314D NL144314C (en:Method) | 1948-01-14 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2571564A (en:Method) |
| BE (1) | BE486774A (en:Method) |
| FR (1) | FR978910A (en:Method) |
| GB (1) | GB641826A (en:Method) |
| NL (1) | NL144314C (en:Method) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US182977A (en) * | 1876-10-03 | Improvement in dynamo-electric machines | ||
| US949859A (en) * | 1908-12-01 | 1910-02-22 | John P Swift | Reversing-governor for exlosive-engines. |
| US1041594A (en) * | 1911-01-25 | 1912-10-15 | August E Claudon | Circuit-make-and-break device. |
| US1954019A (en) * | 1933-05-09 | 1934-04-10 | Fred H Rowe | Electrical switch |
| US2164991A (en) * | 1937-04-15 | 1939-07-04 | Vaco Products Inc | Speed controlled switch |
| US2299762A (en) * | 1938-03-02 | 1942-10-27 | Mcdermott Carl | Bicycle light |
| US2233900A (en) * | 1940-02-06 | 1941-03-04 | George W Hooper | Electrical switch |
| US2414836A (en) * | 1944-07-20 | 1947-01-28 | Jefferson Electric Co | Timing unit for centrifugal switches |
-
0
- NL NL144314D patent/NL144314C/xx active
- BE BE486774D patent/BE486774A/xx unknown
-
1948
- 1948-01-14 GB GB1077/48A patent/GB641826A/en not_active Expired
-
1949
- 1949-01-11 US US70222A patent/US2571564A/en not_active Expired - Lifetime
- 1949-01-13 FR FR978910D patent/FR978910A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE486774A (en:Method) | |
| FR978910A (fr) | 1951-04-19 |
| GB641826A (en) | 1950-08-23 |
| US2571564A (en) | 1951-10-16 |