FR31601E - Improvements to electroionic lamps - Google Patents
Improvements to electroionic lampsInfo
- Publication number
- FR31601E FR31601E FR31601DA FR31601E FR 31601 E FR31601 E FR 31601E FR 31601D A FR31601D A FR 31601DA FR 31601 E FR31601 E FR 31601E
- Authority
- FR
- France
- Prior art keywords
- electroionic
- lamps
- electroionic lamps
- 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
- H01J21/00—Vacuum tubes
- H01J21/02—Tubes with a single discharge path
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR31601T | 1925-11-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR31601E true FR31601E (en) | 1927-03-19 |
Family
ID=8669398
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR31601D Expired FR31601E (en) | 1925-11-12 | 1925-11-12 | Improvements to electroionic lamps |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR31601E (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE745330C (en) * | 1937-06-26 | 1944-03-02 | Siemens Ag | Screen lattice tubes |
-
1925
- 1925-11-12 FR FR31601D patent/FR31601E/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE745330C (en) * | 1937-06-26 | 1944-03-02 | Siemens Ag | Screen lattice tubes |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR615035A (en) | Improvements to electromagnets | |
FR613721A (en) | Improvements to ashtrays | |
FR625523A (en) | Improvements to fireplaces | |
FR615135A (en) | Improvements to radiators | |
FR591988A (en) | Improvements to hyudofoils | |
FR31601E (en) | Improvements to electroionic lamps | |
FR596554A (en) | Improvements to scooters | |
FR615366A (en) | Improvements to aeromotors | |
FR608158A (en) | Improvements to revivals | |
FR605808A (en) | Improvements to shoehorns | |
FR605135A (en) | Improvements to revivals | |
FR601984A (en) | Improvements to electroionic lamps | |
FR588828A (en) | Improvements made to cases | |
FR592545A (en) | Improvements to showcases | |
FR591484A (en) | Improvements to bows | |
FR605323A (en) | Improvements to stairs | |
FR620067A (en) | Punch-cutters improvements | |
FR605038A (en) | Headphone-selectors improvements | |
FR620063A (en) | Improvements to traps | |
FR610429A (en) | Improvements to amplifier lamps | |
FR591467A (en) | Improvements made to tarares | |
FR31319E (en) | Improvements made to cremones | |
FR616966A (en) | Improvements made to stage projections | |
FR633618A (en) | Improvements to lamp sockets | |
FR592258A (en) | Improvements made to lampshades |