FR677066A - Improvements to incandescent electric lamps - Google Patents
Improvements to incandescent electric lampsInfo
- Publication number
- FR677066A FR677066A FR677066DA FR677066A FR 677066 A FR677066 A FR 677066A FR 677066D A FR677066D A FR 677066DA FR 677066 A FR677066 A FR 677066A
- Authority
- FR
- France
- Prior art keywords
- electric lamps
- incandescent electric
- incandescent
- 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
- H01K1/52—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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US282591A US1889598A (en) | 1928-06-04 | 1928-06-04 | Incandescent electric lamp |
Publications (1)
Publication Number | Publication Date |
---|---|
FR677066A true FR677066A (en) | 1930-03-03 |
Family
ID=23082185
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR677066D Expired FR677066A (en) | 1928-06-04 | 1929-06-04 | Improvements to incandescent electric lamps |
Country Status (4)
Country | Link |
---|---|
US (1) | US1889598A (en) |
BE (2) | BE313010A (en) |
FR (1) | FR677066A (en) |
GB (1) | GB313010A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2465299A1 (en) * | 1979-09-13 | 1981-03-20 | Gte Prod Corp | MOLYBDENE-TANTAL CONDUCTIVE YARN AND MANUFACTURING METHOD THEREOF |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3346761A (en) * | 1965-07-02 | 1967-10-10 | Gen Electric | Incandescent lamp with a tungsten filament with tantalum imbedded in the surface to act as a gettering agent |
JP5989984B2 (en) | 2011-10-27 | 2016-09-07 | スタンレー電気株式会社 | Incandescent light bulb |
JP5975816B2 (en) * | 2012-09-21 | 2016-08-23 | スタンレー電気株式会社 | Incandescent light bulb, manufacturing method thereof, and filament |
-
0
- BE BE360363D patent/BE360363A/xx unknown
- BE BE313010D patent/BE313010A/xx unknown
-
1928
- 1928-06-04 US US282591A patent/US1889598A/en not_active Expired - Lifetime
-
1929
- 1929-06-04 GB GB17140/29A patent/GB313010A/en not_active Expired
- 1929-06-04 FR FR677066D patent/FR677066A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2465299A1 (en) * | 1979-09-13 | 1981-03-20 | Gte Prod Corp | MOLYBDENE-TANTAL CONDUCTIVE YARN AND MANUFACTURING METHOD THEREOF |
Also Published As
Publication number | Publication date |
---|---|
GB313010A (en) | 1930-03-13 |
US1889598A (en) | 1932-11-29 |
BE360363A (en) | |
BE313010A (en) |
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