FR675670A - Improvements to electric lamps - Google Patents
Improvements to electric lampsInfo
- Publication number
- FR675670A FR675670A FR675670DA FR675670A FR 675670 A FR675670 A FR 675670A FR 675670D A FR675670D A FR 675670DA FR 675670 A FR675670 A FR 675670A
- 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
- H01K1/62—One or more circuit elements structurally associated with the lamp
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US281734A US1721384A (en) | 1928-05-31 | 1928-05-31 | Electric lamp |
Publications (1)
Publication Number | Publication Date |
---|---|
FR675670A true FR675670A (en) | 1930-02-13 |
Family
ID=23078564
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR675670D Expired FR675670A (en) | 1928-05-31 | 1929-05-24 | Improvements to electric lamps |
Country Status (6)
Country | Link |
---|---|
US (1) | US1721384A (en) |
BE (1) | BE360984A (en) |
DE (1) | DE482644C (en) |
FR (1) | FR675670A (en) |
GB (1) | GB312695A (en) |
NL (1) | NL25306C (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1068812B (en) * | 1959-11-12 |
-
0
- BE BE360984D patent/BE360984A/xx unknown
- NL NL25306D patent/NL25306C/xx active
-
1928
- 1928-05-31 US US281734A patent/US1721384A/en not_active Expired - Lifetime
- 1928-08-31 DE DEP58502D patent/DE482644C/en not_active Expired
-
1929
- 1929-05-24 FR FR675670D patent/FR675670A/en not_active Expired
- 1929-05-31 GB GB16811/29A patent/GB312695A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE360984A (en) | |
DE482644C (en) | 1929-09-19 |
NL25306C (en) | |
GB312695A (en) | 1930-01-30 |
US1721384A (en) | 1929-07-16 |
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