FR697209A - Tube luminescent pour les temps froids - Google Patents

Tube luminescent pour les temps froids

Info

Publication number
FR697209A
FR697209A FR697209DA FR697209A FR 697209 A FR697209 A FR 697209A FR 697209D A FR697209D A FR 697209DA FR 697209 A FR697209 A FR 697209A
Authority
FR
France
Prior art keywords
cold weather
luminescent tube
luminescent
tube
weather
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
Other languages
English (en)
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.)
CLAUDE NEON LIGHTS Inc
Original Assignee
CLAUDE NEON LIGHTS Inc
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 CLAUDE NEON LIGHTS Inc filed Critical CLAUDE NEON LIGHTS Inc
Application granted granted Critical
Publication of FR697209A publication Critical patent/FR697209A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
    • H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
    • H01J61/20—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent mercury vapour
FR697209D 1929-06-26 1930-06-11 Tube luminescent pour les temps froids Expired FR697209A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US373917A US1994381A (en) 1929-06-26 1929-06-26 Cold weather tube

Publications (1)

Publication Number Publication Date
FR697209A true FR697209A (fr) 1931-01-13

Family

ID=23474422

Family Applications (1)

Application Number Title Priority Date Filing Date
FR697209D Expired FR697209A (fr) 1929-06-26 1930-06-11 Tube luminescent pour les temps froids

Country Status (2)

Country Link
US (1) US1994381A (fr)
FR (1) FR697209A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2714685A (en) * 1951-08-25 1955-08-02 Westinghouse Electric Corp Low pressure fluorescent and discharge lamps

Also Published As

Publication number Publication date
AU2747230B (en) 1931-06-18
US1994381A (en) 1935-03-12

Similar Documents

Publication Publication Date Title
FR697209A (fr) Tube luminescent pour les temps froids
FR778083A (fr) Revêtement en béton pour routes et chaussées
FR719090A (fr) élément de construction en béton armé
FR708706A (fr) Raccord pour tuyauteries
FR769663A (fr) élément de construction
FR658017A (fr) Chevron pour toitures vitrées sans mastic
FR689688A (fr) élément pour revêtement de terrasses
FR666932A (fr) Composition pour la teinture
FR699314A (fr) égout-galerie semi-articulé
FR689578A (fr) Toiture de bâtiments pour pays tropicaux
FR759565A (fr) Ciment
FR764791A (fr) élément de construction
FR691294A (fr) Composition de remplissage
FR692622A (fr) écope pour condenseur
FR762733A (fr) Revêtement pour routes
FR697223A (fr) Revêtement pour les routes
FR729276A (fr) Chaussée en béton
FR683872A (fr) Revêtement pour chaussées
FR677134A (fr) Racleur-détartreur de tuyaux
FR771499A (fr) Couverture perfectionnée pour toitures et tuiles pour sa construction
FR698314A (fr) Obturateur pour fluides
FR719038A (fr) Tube luminescent
FR687803A (fr) Rideau de circonstance pour déversoir
FR699670A (fr) Renfort pour chaussures
FR719091A (fr) élément de construction pour planchers