NL20242C - - Google Patents
Info
- Publication number
- NL20242C NL20242C NL20242DA NL20242C NL 20242 C NL20242 C NL 20242C NL 20242D A NL20242D A NL 20242DA NL 20242 C NL20242 C NL 20242C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
- H01K3/02—Manufacture of incandescent bodies
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Resistance Heating (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL234489X | 1924-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL20242C true NL20242C (ja�@�@) |
Family
ID=19780188
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL27188D NL27188B (ja�@�@) | 1924-05-24 | ||
| NL20242D NL20242C (ja�@�@) | 1924-05-24 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL27188D NL27188B (ja�@�@) | 1924-05-24 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1904105A (ja�@�@) |
| FR (1) | FR595911A (ja�@�@) |
| GB (1) | GB234489A (ja�@�@) |
| NL (2) | NL20242C (ja�@�@) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2454318A (en) * | 1943-04-24 | 1948-11-23 | Westinghouse Electric Corp | Method of fabricating electron discharge devices |
-
0
- NL NL27188D patent/NL27188B/xx unknown
- NL NL20242D patent/NL20242C/xx active
-
1925
- 1925-03-28 FR FR595911D patent/FR595911A/fr not_active Expired
- 1925-04-27 US US26290A patent/US1904105A/en not_active Expired - Lifetime
- 1925-05-20 GB GB13204/25A patent/GB234489A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR595911A (fr) | 1925-10-12 |
| US1904105A (en) | 1933-04-18 |
| GB234489A (en) | 1926-03-18 |
| NL27188B (ja�@�@) |