NL31541C - - Google Patents
Info
- Publication number
- NL31541C NL31541C NL31541DA NL31541C NL 31541 C NL31541 C NL 31541C NL 31541D A NL31541D A NL 31541DA NL 31541 C NL31541 C NL 31541C
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/003—Marking, e.g. coloration by addition of pigments
-
- 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
- H01H27/06—Key inserted and then turned to effect operation of the switch
- H01H27/08—Key inserted and then turned to effect operation of the switch wherein the key cannot be removed until the switch is returned to its original position
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Lock And Its Accessories (AREA)
- Push-Button Switches (AREA)
- Switch Cases, Indication, And Locking (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE372447X | 1930-02-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL31541C true NL31541C (en:Method) |
Family
ID=6332240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL31541D NL31541C (en:Method) | 1930-02-26 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1884341A (en:Method) |
| BE (1) | BE376456A (en:Method) |
| FR (1) | FR710289A (en:Method) |
| GB (1) | GB372447A (en:Method) |
| NL (1) | NL31541C (en:Method) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE939010C (de) * | 1949-04-21 | 1956-02-09 | Theodor Kaestner Fa | Elektrischer Schalter fuer Kraftfahrzeuge |
| US3212938A (en) * | 1962-10-17 | 1965-10-19 | Black & Decker Mfg Co | Switch for cordless electrical device |
| US3321589A (en) * | 1963-09-19 | 1967-05-23 | Mackworth G Rees | Safety lock switch |
| EP0164509B1 (en) * | 1984-06-11 | 1988-11-30 | International Business Machines Corporation | Business machine locking device |
-
0
- BE BE376456D patent/BE376456A/xx unknown
- NL NL31541D patent/NL31541C/xx active
-
1931
- 1931-01-27 FR FR710289D patent/FR710289A/fr not_active Expired
- 1931-02-17 US US516406A patent/US1884341A/en not_active Expired - Lifetime
- 1931-02-25 GB GB5353/31A patent/GB372447A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR710289A (fr) | 1931-08-20 |
| GB372447A (en) | 1932-05-12 |
| BE376456A (en:Method) | |
| US1884341A (en) | 1932-10-25 |