BE352793A - - Google Patents
Info
- Publication number
- BE352793A BE352793A BE352793DA BE352793A BE 352793 A BE352793 A BE 352793A BE 352793D A BE352793D A BE 352793DA BE 352793 A BE352793 A BE 352793A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/44—Automatic release mechanisms with or without manual release having means for introducing a predetermined time delay
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/26—Screens; Filters
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR668316X | 1928-05-03 | ||
| DE776603X | 1934-07-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE352793A true BE352793A (en) |
Family
ID=31947524
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE405305D BE405305A (en) | 1928-05-03 | ||
| BE352793D BE352793A (en) | 1928-05-03 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE405305D BE405305A (en) | 1928-05-03 |
Country Status (5)
| Country | Link |
|---|---|
| BE (2) | BE352793A (en) |
| DE (1) | DE548677C (en) |
| FR (3) | FR659891A (en) |
| GB (2) | GB302917A (en) |
| NL (2) | NL42154C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1012687B (en) * | 1953-01-09 | 1957-07-25 | Reinhold Koebke | Electric light bulb with a glass reflector arranged inside |
| US4494377A (en) * | 1983-08-12 | 1985-01-22 | Yasuo Sato | Brake booster operated also by solenoid |
-
0
- BE BE405305D patent/BE405305A/xx unknown
- BE BE352793D patent/BE352793A/xx unknown
- NL NL24087D patent/NL24087C/xx active
- NL NL42154D patent/NL42154C/xx active
-
1927
- 1927-12-23 FR FR659891D patent/FR659891A/en not_active Expired
-
1928
- 1928-05-03 FR FR668316D patent/FR668316A/en not_active Expired
- 1928-07-22 DE DEM105731D patent/DE548677C/en not_active Expired
- 1928-12-19 GB GB37540/28A patent/GB302917A/en not_active Expired
-
1929
- 1929-04-29 GB GB13213/29A patent/GB310929A/en not_active Expired
-
1934
- 1934-07-31 FR FR776603D patent/FR776603A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE548677C (en) | 1932-04-16 |
| FR659891A (en) | 1929-07-04 |
| GB302917A (en) | 1929-10-31 |
| BE405305A (en) | 1934-09-21 |
| FR776603A (en) | 1935-01-30 |
| FR668316A (en) | 1929-10-30 |
| NL24087C (en) | |
| NL42154C (en) | 1937-07-15 |
| GB310929A (en) | 1930-05-01 |