NL23875C - - Google Patents
Info
- Publication number
- NL23875C NL23875C NL23875DA NL23875C NL 23875 C NL23875 C NL 23875C NL 23875D A NL23875D A NL 23875DA NL 23875 C NL23875 C NL 23875C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K9/00—Lamps having two or more incandescent bodies separately heated
- H01K9/02—Lamps having two or more incandescent bodies separately heated to provide substitution in the event of failure of one of the bodies
- H01K9/04—Lamps having two or more incandescent bodies separately heated to provide substitution in the event of failure of one of the bodies with built-in manually operated switch
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR308765X | 1928-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL23875C true NL23875C (uk) |
Family
ID=8889099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL23875D NL23875C (uk) | 1928-03-31 |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB308765A (uk) |
| NL (1) | NL23875C (uk) |
-
0
- NL NL23875D patent/NL23875C/xx active
-
1928
- 1928-10-27 GB GB31235/28A patent/GB308765A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB308765A (en) | 1929-07-11 |