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 (en:Method) | 1933-05-10 | 
Family
ID=24327881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| FR745488D Expired FR745488A (en:Method) | 1931-12-19 | 
Country Status (2)
| Country | Link | 
|---|---|
| US (1) | US1929313A (en:Method) | 
| FR (1) | FR745488A (en:Method) | 
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 |