NL252736A - - Google Patents
Info
- Publication number
- NL252736A NL252736A NL252736DA NL252736A NL 252736 A NL252736 A NL 252736A NL 252736D A NL252736D A NL 252736DA NL 252736 A NL252736 A NL 252736A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/28—Relays having both armature and contacts within a sealed casing outside which the operating coil is located, e.g. contact carried by a magnetic leaf spring or reed
- H01H51/287—Details of the shape of the contact springs
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT1008559 | 1959-06-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL252736A true NL252736A (en) |
Family
ID=11133873
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL131296D NL131296C (en) | 1959-06-17 | ||
| NL252736D NL252736A (en) | 1959-06-17 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL131296D NL131296C (en) | 1959-06-17 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3056869A (en) |
| BE (1) | BE591976A (en) |
| CH (1) | CH384674A (en) |
| DE (1) | DE1154869B (en) |
| ES (1) | ES258157A1 (en) |
| GB (1) | GB907519A (en) |
| IT (1) | IT611404A (en) |
| NL (2) | NL252736A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL276522A (en) * | 1961-03-29 | |||
| US3310863A (en) * | 1963-04-10 | 1967-03-28 | Bell Telephone Labor Inc | Manufacture of reed type devices |
| US3240897A (en) * | 1964-06-19 | 1966-03-15 | Clare & Co C P | Sealed magnetic switch and method of manufacture |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US684378A (en) * | 1901-02-14 | 1901-10-08 | George Westinghouse | Electric lamp. |
| US1085810A (en) * | 1913-01-11 | 1914-02-03 | American District Telegraph Co | Electromagnetic relay. |
| AT144285B (en) * | 1933-09-12 | 1936-01-10 | Andreas Marius Haslev | Electric relay. |
| US2425038A (en) * | 1943-09-27 | 1947-08-05 | Lear Inc | Safety switch device |
| US2483723A (en) * | 1945-04-03 | 1949-10-04 | Bell Telephone Labor Inc | Electromagnetic circuit maker and breaker |
| US2732451A (en) * | 1946-07-05 | 1956-01-24 | Degler | |
| DE1067105B (en) * | 1954-03-11 | 1959-10-15 | ||
| US2834847A (en) * | 1955-05-13 | 1958-05-13 | Jennings Radio Mfg Corp | Vacuum relay |
| US2834848A (en) * | 1955-09-02 | 1958-05-13 | Bell Telephone Labor Inc | Electric switch |
| US2908780A (en) * | 1957-11-01 | 1959-10-13 | Jennings Radio Mfg Corp | Vacuum relay |
| US2912539A (en) * | 1958-01-20 | 1959-11-10 | Jennings Radio Mfg Corp | Vacuum relay |
| US2914634A (en) * | 1958-01-23 | 1959-11-24 | Clare & Co C P | Contact structure for mercury relays |
-
0
- NL NL131296D patent/NL131296C/xx active
- NL NL252736D patent/NL252736A/xx unknown
- IT IT611404D patent/IT611404A/it unknown
-
1960
- 1960-04-28 US US25437A patent/US3056869A/en not_active Expired - Lifetime
- 1960-05-17 ES ES0258157A patent/ES258157A1/en not_active Expired
- 1960-06-09 DE DEJ18250A patent/DE1154869B/en active Pending
- 1960-06-10 GB GB20499/60A patent/GB907519A/en not_active Expired
- 1960-06-17 BE BE591976A patent/BE591976A/en unknown
- 1960-06-17 CH CH695860A patent/CH384674A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3056869A (en) | 1962-10-02 |
| NL131296C (en) | |
| IT611404A (en) | |
| CH384674A (en) | 1964-11-30 |
| BE591976A (en) | 1960-12-19 |
| GB907519A (en) | 1962-10-03 |
| ES258157A1 (en) | 1960-08-16 |
| DE1154869B (en) | 1963-09-26 |