FR21528E - New method of setting up lighting devices - Google Patents

New method of setting up lighting devices

Info

Publication number
FR21528E
FR21528E FR21528A FR21528DA FR21528E FR 21528 E FR21528 E FR 21528E FR 21528 A FR21528 A FR 21528A FR 21528D A FR21528D A FR 21528DA FR 21528 E FR21528 E FR 21528E
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
Application number
FR21528A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aubin D Hellencourt & Co Soc
Original Assignee
Aubin D Hellencourt & Co Soc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Aubin D Hellencourt & Co Soc filed Critical Aubin D Hellencourt & Co Soc
Application granted granted Critical
Publication of FR21528E publication Critical patent/FR21528E/en
Expired legal-status Critical Current

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)
FR21528A 1917-01-19 1917-01-19 New method of setting up lighting devices Expired FR21528E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR21528T 1917-01-19

Publications (1)

Publication Number Publication Date
FR21528E true FR21528E (en) 1920-10-18

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 Before (1)

Application Number Title Priority Date Filing Date
FR502678A Expired FR502678A (en) 1917-01-19 1916-01-04 New method of setting up lighting devices

Country Status (1)

Country Link
FR (2) FR502678A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
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
FR502678A (en) 1920-05-22

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