FR745488A - - Google Patents
Info
- Publication number
- FR745488A FR745488A FR745488DA FR745488A FR 745488 A FR745488 A FR 745488A FR 745488D A FR745488D A FR 745488DA FR 745488 A FR745488 A FR 745488A
- 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
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/40—Closing vessels
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US582109A US1929313A (en) | 1931-12-19 | 1931-12-19 | Apparatus for tipping-off incandescent lamps and similar devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR745488A true FR745488A (xx) | 1933-05-10 |
Family
ID=24327881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR745488D Expired FR745488A (xx) | 1931-12-19 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US1929313A (xx) |
| FR (1) | FR745488A (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB908421A (en) * | 1960-03-02 | 1962-10-17 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Method of and apparatus for tipping off the exhaust apertures of electric lamps and the like |
-
0
- FR FR745488D patent/FR745488A/fr not_active Expired
-
1931
- 1931-12-19 US US582109A patent/US1929313A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US1929313A (en) | 1933-10-03 |