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FR443417A - Hygienic protector for telephone device - Google Patents

Hygienic protector for telephone device

Info

Publication number
FR443417A
FR443417A FR443417DA FR443417A FR 443417 A FR443417 A FR 443417A FR 443417D A FR443417D A FR 443417DA FR 443417 A FR443417 A FR 443417A
Authority
FR
France
Prior art keywords
telephone device
hygienic protector
hygienic
protector
telephone
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
Louis Lalanne
Daniel Rivoire
Auguste Trabuc
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.)
DANIEL RIVOIRE
Original Assignee
DANIEL RIVOIRE
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 DANIEL RIVOIRE filed Critical DANIEL RIVOIRE
Application granted granted Critical
Publication of FR443417A publication Critical patent/FR443417A/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)
FR443417D 1912-05-04 1912-05-04 Hygienic protector for telephone device Expired FR443417A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR443417T 1912-05-04

Publications (1)

Publication Number Publication Date
FR443417A true FR443417A (en) 1912-09-24

Family

ID=1484488

Family Applications (1)

Application Number Title Priority Date Filing Date
FR443417D Expired FR443417A (en) 1912-05-04 1912-05-04 Hygienic protector for telephone device

Country Status (1)

Country Link
FR (1) FR443417A (en)

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