FR2191265B1 - - Google Patents
Info
- Publication number
- FR2191265B1 FR2191265B1 FR7323349A FR7323349A FR2191265B1 FR 2191265 B1 FR2191265 B1 FR 2191265B1 FR 7323349 A FR7323349 A FR 7323349A FR 7323349 A FR7323349 A FR 7323349A FR 2191265 B1 FR2191265 B1 FR 2191265B1
- Authority
- FR
- France
- 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
- H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
- H01K3/02—Manufacture of incandescent bodies
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Discharge Lamp (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2231520A DE2231520A1 (en) | 1972-06-28 | 1972-06-28 | METHOD FOR MANUFACTURING AN ELECTRIC LIGHT BULB WITH EXTENDED LIFE AND / OR INCREASED LIGHT YIELD |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2191265A1 FR2191265A1 (en) | 1974-02-01 |
FR2191265B1 true FR2191265B1 (en) | 1977-12-23 |
Family
ID=5848989
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7323349A Expired FR2191265B1 (en) | 1972-06-28 | 1973-06-26 |
Country Status (11)
Country | Link |
---|---|
US (1) | US3868159A (en) |
JP (1) | JPS4957683A (en) |
AU (1) | AU5723573A (en) |
BE (1) | BE801466A (en) |
CA (1) | CA975420A (en) |
DE (1) | DE2231520A1 (en) |
FR (1) | FR2191265B1 (en) |
GB (1) | GB1431575A (en) |
IT (1) | IT989449B (en) |
NL (1) | NL7308786A (en) |
SE (1) | SE381953B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4535269A (en) * | 1983-08-01 | 1985-08-13 | General Electric Company | Incandescent lamp |
DE4343989C2 (en) * | 1993-12-22 | 2002-12-19 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | halogen bulb |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4826632B1 (en) * | 1968-12-27 | 1973-08-13 | ||
US3759602A (en) * | 1971-08-30 | 1973-09-18 | Gen Electric | Inhibiting d-c notching effect in incandescent lamp filaments |
-
1972
- 1972-06-28 DE DE2231520A patent/DE2231520A1/en active Pending
-
1973
- 1973-06-13 US US369552A patent/US3868159A/en not_active Expired - Lifetime
- 1973-06-20 CA CA174,514A patent/CA975420A/en not_active Expired
- 1973-06-22 AU AU57235/73A patent/AU5723573A/en not_active Expired
- 1973-06-25 IT IT25810/73A patent/IT989449B/en active
- 1973-06-25 GB GB3003673A patent/GB1431575A/en not_active Expired
- 1973-06-25 SE SE7308892A patent/SE381953B/en unknown
- 1973-06-25 JP JP48070905A patent/JPS4957683A/ja active Pending
- 1973-06-25 NL NL7308786A patent/NL7308786A/xx unknown
- 1973-06-26 FR FR7323349A patent/FR2191265B1/fr not_active Expired
- 1973-06-26 BE BE132744A patent/BE801466A/en unknown
Also Published As
Publication number | Publication date |
---|---|
US3868159A (en) | 1975-02-25 |
NL7308786A (en) | 1974-01-02 |
IT989449B (en) | 1975-05-20 |
FR2191265A1 (en) | 1974-02-01 |
DE2231520A1 (en) | 1974-01-17 |
JPS4957683A (en) | 1974-06-04 |
AU5723573A (en) | 1975-01-09 |
BE801466A (en) | 1973-12-26 |
SE381953B (en) | 1975-12-22 |
CA975420A (en) | 1975-09-30 |
GB1431575A (en) | 1976-04-07 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |