FR830156A - Incandescent electric lamp - Google Patents
Incandescent electric lampInfo
- Publication number
- FR830156A FR830156A FR830156DA FR830156A FR 830156 A FR830156 A FR 830156A FR 830156D A FR830156D A FR 830156DA FR 830156 A FR830156 A FR 830156A
- Authority
- FR
- France
- Prior art keywords
- electric lamp
- incandescent electric
- incandescent
- lamp
- 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
- H01K1/30—Envelopes; Vessels incorporating lenses
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/26—Screens; Filters
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE497880X | 1936-12-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR830156A true FR830156A (en) | 1938-07-22 |
Family
ID=6545235
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR830156D Expired FR830156A (en) | 1936-12-08 | 1937-11-30 | Incandescent electric lamp |
Country Status (3)
Country | Link |
---|---|
FR (1) | FR830156A (en) |
GB (1) | GB497880A (en) |
NL (1) | NL52726C (en) |
-
0
- NL NL52726D patent/NL52726C/xx active
-
1937
- 1937-11-30 FR FR830156D patent/FR830156A/en not_active Expired
- 1937-12-08 GB GB33993/37A patent/GB497880A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB497880A (en) | 1938-12-30 |
NL52726C (en) |
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