FR418395A - Sanitary mouthpiece for telephone - Google Patents

Sanitary mouthpiece for telephone

Info

Publication number
FR418395A
FR418395A FR418395A FR418395DA FR418395A FR 418395 A FR418395 A FR 418395A FR 418395 A FR418395 A FR 418395A FR 418395D A FR418395D A FR 418395DA FR 418395 A FR418395 A FR 418395A
Authority
FR
France
Prior art keywords
telephone
sanitary mouthpiece
mouthpiece
sanitary
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
FR418395A
Other languages
French (fr)
Inventor
John Barry O'hara
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.)
JOHN BARRY O HARA
Original Assignee
JOHN BARRY O HARA
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 JOHN BARRY O HARA filed Critical JOHN BARRY O HARA
Application granted granted Critical
Publication of FR418395A publication Critical patent/FR418395A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/12—Sanitary or hygienic devices for mouthpieces or earpieces, e.g. for protecting against infection

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Closures For Containers (AREA)
  • Pivots And Pivotal Connections (AREA)
FR418395A 1910-06-28 1910-07-20 Sanitary mouthpiece for telephone Expired FR418395A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191015448T 1910-06-28

Publications (1)

Publication Number Publication Date
FR418395A true FR418395A (en) 1910-12-07

Family

ID=32562675

Family Applications (1)

Application Number Title Priority Date Filing Date
FR418395A Expired FR418395A (en) 1910-06-28 1910-07-20 Sanitary mouthpiece for telephone

Country Status (2)

Country Link
FR (1) FR418395A (en)
GB (1) GB191015448A (en)

Also Published As

Publication number Publication date
GB191015448A (en) 1910-10-13

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