FR652376A - Incandescent light bulb - Google Patents
Incandescent light bulbInfo
- Publication number
- FR652376A FR652376A FR652376DA FR652376A FR 652376 A FR652376 A FR 652376A FR 652376D A FR652376D A FR 652376DA FR 652376 A FR652376 A FR 652376A
- Authority
- FR
- France
- Prior art keywords
- light bulb
- incandescent light
- incandescent
- bulb
- light
- 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
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
- H01J5/20—Seals between parts of vessels
- H01J5/22—Vacuum-tight joints between parts of vessel
- H01J5/30—Vacuum-tight joints between parts of vessel using packing-material, e.g. sealing-liquid or elastic insert
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0033—Vacuum connection techniques applicable to discharge tubes and lamps
- H01J2893/0047—Closure other than lamp base
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR652376T | 1928-04-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR652376A true FR652376A (en) | 1929-03-07 |
Family
ID=9005193
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR652376D Expired FR652376A (en) | 1928-04-07 | 1928-04-07 | Incandescent light bulb |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR652376A (en) |
-
1928
- 1928-04-07 FR FR652376D patent/FR652376A/en not_active Expired
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