FR502678A - New method of setting up lighting devices - Google Patents
New method of setting up lighting devicesInfo
- Publication number
- FR502678A FR502678A FR502678A FR502678DA FR502678A FR 502678 A FR502678 A FR 502678A FR 502678 A FR502678 A FR 502678A FR 502678D A FR502678D A FR 502678DA FR 502678 A FR502678 A FR 502678A
- Authority
- FR
- France
- Prior art keywords
- setting
- lighting devices
- new method
- lighting
- new
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B10/00—Means for influencing, e.g. improving, the aerodynamic properties of projectiles or missiles; Arrangements on projectiles or missiles for stabilising, steering, range-reducing, range-increasing or fall-retarding
- F42B10/32—Range-reducing or range-increasing arrangements; Fall-retarding means
- F42B10/48—Range-reducing, destabilising or braking arrangements, e.g. impact-braking arrangements; Fall-retarding means, e.g. balloons, rockets for braking or fall-retarding
- F42B10/56—Range-reducing, destabilising or braking arrangements, e.g. impact-braking arrangements; Fall-retarding means, e.g. balloons, rockets for braking or fall-retarding of parachute or paraglider type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B4/00—Fireworks, i.e. pyrotechnic devices for amusement, display, illumination or signal purposes
- F42B4/02—Fireworks, i.e. pyrotechnic devices for amusement, display, illumination or signal purposes in cartridge form, i.e. shell, propellant and primer
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR21528T | 1917-01-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR502678A true FR502678A (en) | 1920-05-22 |
Family
ID=8660545
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR502678A Expired FR502678A (en) | 1917-01-19 | 1916-01-04 | New method of setting up lighting devices |
FR21528A Expired FR21528E (en) | 1917-01-19 | 1917-01-19 | New method of setting up lighting devices |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR21528A Expired FR21528E (en) | 1917-01-19 | 1917-01-19 | New method of setting up lighting devices |
Country Status (1)
Country | Link |
---|---|
FR (2) | FR502678A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2442528A (en) * | 1943-11-20 | 1948-06-01 | Aerial Products Inc | Rocket device |
US2445640A (en) * | 1943-11-12 | 1948-07-20 | Schermuly Conrad David | Smoke, signal, or illuminating flare |
-
1916
- 1916-01-04 FR FR502678A patent/FR502678A/en not_active Expired
-
1917
- 1917-01-19 FR FR21528A patent/FR21528E/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2445640A (en) * | 1943-11-12 | 1948-07-20 | Schermuly Conrad David | Smoke, signal, or illuminating flare |
US2442528A (en) * | 1943-11-20 | 1948-06-01 | Aerial Products Inc | Rocket device |
Also Published As
Publication number | Publication date |
---|---|
FR21528E (en) | 1920-10-18 |
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