FR829438A - Portable lantern refinements - Google Patents
Portable lantern refinementsInfo
- Publication number
- FR829438A FR829438A FR829438DA FR829438A FR 829438 A FR829438 A FR 829438A FR 829438D A FR829438D A FR 829438DA FR 829438 A FR829438 A FR 829438A
- Authority
- FR
- France
- Prior art keywords
- refinements
- portable lantern
- lantern
- portable
- lantern refinements
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/12—Reflex reflectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
- F21L2/00—Systems of electric lighting devices
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR829438T | 1937-11-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR829438A true FR829438A (en) | 1938-06-27 |
Family
ID=9284266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR829438D Expired FR829438A (en) | 1937-11-18 | 1937-11-18 | Portable lantern refinements |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR829438A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1469251A3 (en) * | 2003-04-07 | 2004-12-08 | R. Stahl Schaltgeräte GmbH | Portable lighting device |
-
1937
- 1937-11-18 FR FR829438D patent/FR829438A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1469251A3 (en) * | 2003-04-07 | 2004-12-08 | R. Stahl Schaltgeräte GmbH | Portable lighting device |
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