FR790237A - Electrical device allowing automatic disinfection of telephone devices by instant vaporization of liquids - Google Patents

Electrical device allowing automatic disinfection of telephone devices by instant vaporization of liquids

Info

Publication number
FR790237A
FR790237A FR790237DA FR790237A FR 790237 A FR790237 A FR 790237A FR 790237D A FR790237D A FR 790237DA FR 790237 A FR790237 A FR 790237A
Authority
FR
France
Prior art keywords
liquids
electrical device
device allowing
telephone devices
automatic disinfection
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
French (fr)
Inventor
Andre Birman
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 filed Critical
Application granted granted Critical
Publication of FR790237A publication Critical patent/FR790237A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/17—Hygienic or sanitary devices on telephone equipment

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR790237D 1935-05-18 1935-05-18 Electrical device allowing automatic disinfection of telephone devices by instant vaporization of liquids Expired FR790237A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR790237T 1935-05-18

Publications (1)

Publication Number Publication Date
FR790237A true FR790237A (en) 1935-11-16

Family

ID=9221366

Family Applications (1)

Application Number Title Priority Date Filing Date
FR790237D Expired FR790237A (en) 1935-05-18 1935-05-18 Electrical device allowing automatic disinfection of telephone devices by instant vaporization of liquids

Country Status (1)

Country Link
FR (1) FR790237A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2766333A (en) * 1953-08-20 1956-10-09 James F Bivins Disinfecting device for telephones

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2766333A (en) * 1953-08-20 1956-10-09 James F Bivins Disinfecting device for telephones

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