NL136981C - - Google Patents
Info
- Publication number
- NL136981C NL136981C NL136981DA NL136981C NL 136981 C NL136981 C NL 136981C NL 136981D A NL136981D A NL 136981DA NL 136981 C NL136981 C NL 136981C
- 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
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4117167A GB1158887A (en) | 1967-07-18 | 1967-07-18 | Improvements relating to Lamp Bulbs |
| GB3291867 | 1967-07-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL136981C true NL136981C (https=) |
Family
ID=26261626
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL136981D NL136981C (https=) | 1967-07-18 | ||
| NL6809651A NL6809651A (https=) | 1967-07-18 | 1968-07-09 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6809651A NL6809651A (https=) | 1967-07-18 | 1968-07-09 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE1764657B1 (https=) |
| GB (1) | GB1158887A (https=) |
| NL (2) | NL6809651A (https=) |
| SE (1) | SE332228B (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4140939A (en) * | 1978-04-26 | 1979-02-20 | Gte Sylvania Incorporated | Tungsten halogen lamp for headlights |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1689378A (en) * | 1926-01-18 | 1928-10-30 | Delta Engineering Lab Inc | Automobile head lamp |
| DE606735C (de) * | 1932-05-20 | 1934-12-11 | Laribe Armand | Auswechselbare Hilfsfassung fuer Gluehlampen |
| US2005194A (en) * | 1932-12-01 | 1935-06-18 | Walter R Armstrong | Headlight lamp |
| US2843778A (en) * | 1952-12-22 | 1958-07-15 | Gen Motors Corp | Light bulb |
-
0
- NL NL136981D patent/NL136981C/xx active
-
1967
- 1967-07-18 GB GB4117167A patent/GB1158887A/en not_active Expired
-
1968
- 1968-07-09 NL NL6809651A patent/NL6809651A/xx unknown
- 1968-07-12 DE DE19681764657 patent/DE1764657B1/de active Pending
- 1968-07-16 SE SE975468A patent/SE332228B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE332228B (https=) | 1971-02-01 |
| NL6809651A (https=) | 1969-01-21 |
| GB1158887A (en) | 1969-07-23 |
| DE1764657B1 (de) | 1971-10-21 |