FR463093A - Incandescent lamp improvements - Google Patents
Incandescent lamp improvementsInfo
- Publication number
- FR463093A FR463093A FR463093A FR463093DA FR463093A FR 463093 A FR463093 A FR 463093A FR 463093 A FR463093 A FR 463093A FR 463093D A FR463093D A FR 463093DA FR 463093 A FR463093 A FR 463093A
- Authority
- FR
- France
- Prior art keywords
- incandescent lamp
- incandescent
- lamp
- lamp improvements
- 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
- H01K1/52—Means for obtaining or maintaining the desired pressure within the vessel
- H01K1/54—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering
- H01K1/56—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering characterised by the material of the getter
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB191302901T | 1913-02-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR463093A true FR463093A (en) | 1914-02-13 |
Family
ID=32369881
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR463093A Expired FR463093A (en) | 1913-02-04 | 1913-09-30 | Incandescent lamp improvements |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR463093A (en) |
GB (1) | GB191302901A (en) |
-
1913
- 1913-02-04 GB GB191302901D patent/GB191302901A/en not_active Expired
- 1913-09-30 FR FR463093A patent/FR463093A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB191302901A (en) | 1913-12-18 |
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