FR796006A - Improvements to electric lamps - Google Patents
Improvements to electric lampsInfo
- Publication number
- FR796006A FR796006A FR796006DA FR796006A FR 796006 A FR796006 A FR 796006A FR 796006D A FR796006D A FR 796006DA FR 796006 A FR796006 A FR 796006A
- Authority
- FR
- France
- Prior art keywords
- electric lamps
- lamps
- electric
- 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
- H01K1/28—Envelopes; Vessels
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB27540/33A GB427254A (en) | 1934-10-08 | 1934-10-08 | Improvements in or relating to electric lamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR796006A true FR796006A (en) | 1936-03-27 |
Family
ID=10261240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR796006D Expired FR796006A (en) | 1934-10-08 | 1935-10-07 | Improvements to electric lamps |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2116722A (en) |
| BE (1) | BE411645A (en) |
| DE (1) | DE662243C (en) |
| FR (1) | FR796006A (en) |
| GB (1) | GB427254A (en) |
| NL (1) | NL43150C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29915979U1 (en) | 1999-09-10 | 1999-12-16 | Czech, Andreas, 38102 Braunschweig | lamp |
| DE102005019829A1 (en) * | 2005-04-28 | 2006-11-02 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Reflector lamp with high voltage operation includes filament segments retained in a plane perpendicular with the lamp longitudinal axis by funnel-shaped pinches turned-in from the planar top |
-
0
- NL NL43150D patent/NL43150C/xx active
- BE BE411645D patent/BE411645A/xx unknown
-
1934
- 1934-10-08 GB GB27540/33A patent/GB427254A/en not_active Expired
-
1935
- 1935-10-05 US US43757A patent/US2116722A/en not_active Expired - Lifetime
- 1935-10-07 FR FR796006D patent/FR796006A/en not_active Expired
- 1935-10-08 DE DED71244D patent/DE662243C/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE411645A (en) | |
| DE662243C (en) | 1938-07-08 |
| NL43150C (en) | |
| US2116722A (en) | 1938-05-10 |
| GB427254A (en) | 1935-04-18 |
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