FR736998A - Filament holder for incandescent lamps and in particular for light tubes - Google Patents
Filament holder for incandescent lamps and in particular for light tubesInfo
- Publication number
- FR736998A FR736998A FR736998DA FR736998A FR 736998 A FR736998 A FR 736998A FR 736998D A FR736998D A FR 736998DA FR 736998 A FR736998 A FR 736998A
- Authority
- FR
- France
- Prior art keywords
- incandescent lamps
- light tubes
- filament holder
- filament
- holder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/18—Mountings or supports for the incandescent body
- H01K1/24—Mounts for lamps with connections at opposite ends, e.g. for tubular lamp
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR622233X | 1933-05-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR736998A true FR736998A (en) | 1932-12-05 |
Family
ID=8985692
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR736998D Expired FR736998A (en) | 1933-05-12 | 1932-05-12 | Filament holder for incandescent lamps and in particular for light tubes |
Country Status (5)
Country | Link |
---|---|
US (1) | US1997975A (en) |
BE (1) | BE395662A (en) |
DE (1) | DE622233C (en) |
FR (1) | FR736998A (en) |
GB (1) | GB402664A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1449851A (en) * | 1973-07-10 | 1976-09-15 | Thorn Electrical Ind Ltd | Electrical incandescent filament devices |
-
0
- BE BE395662D patent/BE395662A/xx unknown
- US US1997975D patent/US1997975A/en not_active Expired - Lifetime
-
1932
- 1932-05-12 FR FR736998D patent/FR736998A/en not_active Expired
-
1933
- 1933-04-21 DE DEP67416D patent/DE622233C/en not_active Expired
- 1933-04-21 GB GB11700/33A patent/GB402664A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB402664A (en) | 1933-12-07 |
DE622233C (en) | 1935-11-23 |
US1997975A (en) | 1935-04-16 |
BE395662A (en) |
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