FR1307210A - Lampe de projection à incandescence - Google Patents
Lampe de projection à incandescenceInfo
- Publication number
- FR1307210A FR1307210A FR880636A FR880636A FR1307210A FR 1307210 A FR1307210 A FR 1307210A FR 880636 A FR880636 A FR 880636A FR 880636 A FR880636 A FR 880636A FR 1307210 A FR1307210 A FR 1307210A
- Authority
- FR
- France
- Prior art keywords
- projection lamp
- incandescent projection
- incandescent
- lamp
- projection
- 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
- H01K1/38—Seals for leading-in conductors
-
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR880636A FR1307210A (fr) | 1960-12-01 | 1961-12-01 | Lampe de projection à incandescence |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US73064A US3160776A (en) | 1960-12-01 | 1960-12-01 | Electric incandescent projection lamp |
FR880636A FR1307210A (fr) | 1960-12-01 | 1961-12-01 | Lampe de projection à incandescence |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1307210A true FR1307210A (fr) | 1962-10-19 |
Family
ID=26193317
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR880636A Expired FR1307210A (fr) | 1960-12-01 | 1961-12-01 | Lampe de projection à incandescence |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1307210A (fr) |
-
1961
- 1961-12-01 FR FR880636A patent/FR1307210A/fr not_active Expired
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